Mark is 7 years older than Amy, who is 15. How old will Mark be in 5 years? Let's be accurate as possible.

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
Mark is 15 years + 7 years = 22 years old. In 5 years, he will be 22 years + 5 years = 27 years old.
The answer: 27.