The hospital has 11 doctors and 18 nurses. If 5 doctors and 2 nurses quit, how many doctors and nurses are left? Give me reasons, before answering the question

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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There are 11 doctors - 5 doctors = 6 doctors left. There are 18 nurses - 2 nurses = 16 nurses left. In total there are 6 doctors + 16 nurses = 22 doctors and nurses left. So the final answer is 22.