Reconstruct a question, answer pair from this explanation: Let x be the number of pens bought. He bought 12 + 5x pencils. x + (12 + 5x) = 108. 6x + 12 = 108. 6x = 96. x = 16 pens.

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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Q:Issac has to buy pens and pencils for the upcoming school year. Issac buys 108 writing utensils total. He buys 12 more than 5 times the number of pencils than pens. How many pens did Issac buy?
A:16