The total number of minutes he studies the three subjects is 60 + 80 + 40 = 180 minutes. Therefore, Sam spends 180 / 60 = 3 hours.is the reasoning for what question and answer pair?

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: Sam spends sixty minutes studying Science, eighty minutes in Math, and forty minutes in Literature. How many hours does Sam spend studying the three subjects?
A: 3