Mr. Smith had 32 markers in his classroom. He buys new boxes of markers that have 9 markers in each box. Now, he has 86 markers. How many new boxes did Mr. Smith buy? 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.
user
Mr. Smith bought 86 markers - 32 markers = 54 markers. Mr. Smith bought 54 markers ÷ 9 markers / box = 6 new boxes. So the final answer is 6.