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

Q: Lisa flew 256 miles at 32 miles per hour . How long did Lisa fly ?

A: 8
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Q: Ellen went to a garage sale to buy chairs . Each chair cost 15 dollars . How much money did Ellen spend for the 12 chairs she bought ?

A: 180
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Q: Kelly has 50 Nintendo games . How many does she need to give away so that she will have 35 games left ?

A:
15
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