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.

[EX Q]: Isabel had 72 homework problems . She finished 32 of them but still had 5 pages of problems to do . If each page has the same number of problems on it , how many problems are on each page ?
[EX A]: 8

[EX Q]: Each chocolate bar in a box cost $ 6 . If a box had 13 bars total and Zoe sold all but 6 bars , how much money would she have made ?
[EX A]: 42

[EX Q]: At a restaurant each adult meal costs $ 3 and kids eat free . If a group of 12 people came in and 7 were kids , how much would it cost for the group to eat ?
[EX A]:
15