I'll give you a question, please answer with step-by-step reasoning process.
Mark is 7 years older than Amy, who is 15. How old will Mark be in 5 years?

27
Mark is 15 years + 7 years = 22 years old.

In 5 years, he will be 22 years + 5 years = 27 years old.

.

The answer is 27