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 11 rulers and 34 crayons in the drawer . Tim placed 14 rulers in the drawer . How many rulers are now there in all ?

A: 25
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Q: 64 children were riding on the bus . At the bus stop , some more children got on the bus . Then there were 78 children altogether on the bus . How many children got on the bus at the bus stop ?

A: 14
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Q: Gwen was organizing her book case making sure each of the shelves had exactly 4 books on it . If she had 5 shelves of mystery books and 3 shelves of picture books , how many books did she have total ?

A:
32
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