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: lana 's mom was buying extra school supplies for her and her siblings . if she bought 3 packs of glue sticks with 7 glue sticks in each pack how many did she get total ?

A: 21
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Q: there are 336 students in a school . if the school has 7 grades and each grade had the same number of students how many students were in each grade ?

A: 48
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Q: shelby had 92 pieces of candy . she gave 4 pieces each to 9 friends . how many pieces of candy does shelby have left ?

A:
56
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