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

Q: There are 7 crayons in the drawer . Mary took 3 crayons out of the drawer . How many crayons are there now ?

A: 4
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Q: A farmer estimates that he will harvest 48097 bushels of wheat . The weather is perfect during the growing season , so he harvests 684 more bushels of wheat than expected . How many bushels of wheat does the farmer harvest ?

A: 48781
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Q: Harry starts with 79 apples . He buys 5 more . How many apples does Harry end with ?

A:
84
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