Read the following texts and table with financial data from an S&P 500 earnings report carefully.Based on the question-answer history (if provided), answer the last question. The answer may require mathematical calculation based on the data provided.


hr solutions . <table class='wikitable'><tr><td>1</td><td>years ended december 31,</td><td>2010</td><td>2009</td><td>2008</td></tr><tr><td>2</td><td>revenue</td><td>$ 2111</td><td>$ 1267</td><td>$ 1356</td></tr><tr><td>3</td><td>operating income</td><td>234</td><td>203</td><td>208</td></tr><tr><td>4</td><td>operating margin</td><td>11.1% ( 11.1 % )</td><td>16.0% ( 16.0 % )</td><td>15.3% ( 15.3 % )</td></tr></table> in october 2010 , we completed the acquisition of hewitt , one of the world 2019s leading human resource consulting and outsourcing companies . hewitt operates globally together with aon 2019s existing consulting and outsourcing operations under the newly created aon hewitt brand . hewitt 2019s operating results are included in aon 2019s results of operations beginning october 1 , 2010 . our hr solutions segment generated approximately 25% ( 25 % ) of our consolidated total revenues in 2010 and provides a broad range of human capital services , as follows : consulting services : 2022 health and benefits advises clients about how to structure , fund , and administer employee benefit programs that attract , retain , and motivate employees . benefits consulting includes health and welfare , executive benefits , workforce strategies and productivity , absence management , benefits administration , data-driven health , compliance , employee commitment , investment advisory and elective benefits services . 2022 retirement specializes in global actuarial services , defined contribution consulting , investment consulting , tax and erisa consulting , and pension administration . 2022 compensation focuses on compensatory advisory/counsel including : compensation planning design , executive reward strategies , salary survey and benchmarking , market share studies and sales force effectiveness , with special expertise in the financial services and technology industries . 2022 strategic human capital delivers advice to complex global organizations on talent , change and organizational effectiveness issues , including talent strategy and acquisition , executive on-boarding , performance management , leadership assessment and development , communication strategy , workforce training and change management . outsourcing services : 2022 benefits outsourcing applies our hr expertise primarily through defined benefit ( pension ) , defined contribution ( 401 ( k ) ) , and health and welfare administrative services . our model replaces the resource-intensive processes once required to administer benefit plans with more efficient , effective , and less costly solutions . 2022 human resource business processing outsourcing ( 2018 2018hr bpo 2019 2019 ) provides market-leading solutions to manage employee data ; administer benefits , payroll and other human resources processes ; and record and manage talent , workforce and other core hr process transactions as well as other complementary services such as absence management , flexible spending , dependent audit and participant advocacy . beginning in late 2008 , the disruption in the global credit markets and the deterioration of the financial markets created significant uncertainty in the marketplace . weak economic conditions globally continued throughout 2010 . the prolonged economic downturn is adversely impacting our clients 2019 financial condition and therefore the levels of business activities in the industries and geographies where we operate . while we believe that the majority of our practices are well positioned to manage through this time , these challenges are reducing demand for some of our services and putting .
Question: considering the amount from hr solutions and the percentage it represented in relation to the total revenue, what was that total revenue for aon in 2010, in millions?

8444.0