Carl caused a car accident that resulted in $40,000 worth of property damage and $70,000 worth of medical bills. If Carl's insurance company will pay 80% of the costs, leaving Carl to pay the remaining 20%, how much does Carl personally owe? Let's answer step by step:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
First find the total cost of the accident: $40,000 + $70,000 = $110,000. Then multiply the total cost by the percentage Carl has to pay to find his personal cost: $110,000 * .2 = $22,000. The answer: 22000.