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: Fred earns $ 12.5 an hour cleaning houses . If he works for 8 hours , how much money will he make ?

A: 100
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Q: Tom found 7 seashells but 4 were broken . How many unbroken seashells did Tom find ?

A: 3
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Q: Charles has 4 apples . Jessica gives Charles 39 more . How many apples does Charles have in all ?

A:
43
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