The bus driver drives an average of 2 hours each day, 5 days a week. From Monday to Wednesday he drove at an average speed of 12 kilometers per hour, and from Thursday to Friday at an average speed of 9 kilometers per hour. How many kilometers did the driver travel during these 5 days? 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.
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From Monday to Wednesday, there are 3 * 2 = 6 hours of work. During this time the driver drove 6 * 12 = 72 kilometers. On Thursday and Friday, there are 2 * 2 = 4 hours of work in total. During this time the driver drove 4 * 9 = 36 kilometers. So in total, the driver traveled 72 + 36 = 108 kilometers during these five days. The answer: 108.