Vlad is 6 feet, 3 inches tall. His younger sister is 2 feet, 10 inches tall. How many inches taller is Vlad than his sister? 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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Vlad = 6 ft * 12 in / ft + 3 = 75 inches. Sister = 2 ft * 12 in / ft + 10 = 34 inches. 75 - 34 = 41 inches. Vlad is 41 inches taller than his sister. The answer: 41.