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]: For Halloween Sarah received 108 pieces of candy . She ate 36 pieces then placed the rest into piles with 9 in each pile . How many piles could she make ?
[A]: 8

[Q]: A pet store had 13 puppies . In one day they sold 7 of them and put the rest into cages with 2 in each cage . How many cages did they use ?
[A]: 3

[Q]: Faye had 46 math problems and 9 science problems for homework . If she finished 40 of the problems at school , how many problems did she have to do for homework ?
[A]:
15