You are given a math word problem and you are supposed to apply multiple mathematical operators like addition, subtraction, multiplication or division on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

Q: The school cafeteria ordered 37 red apples and 45 green apples for students lunches . But , if only 51 students wanted fruit , how many extra did the cafeteria end up with ?

A: 31
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Q: Sam got 9 pennies for washing clothes , and 7 quarters for mowing lawns . How much money does Sam have ?

A: 1.84
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Q: Luke was selling his old games . He started out with 39 but sold 19 of them . He packed the rest up putting 4 games into each box . How many boxes did he have to use ?

A:
5
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