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]: A store had 86 coloring books in stock . They ended up putting them on sale and getting rid of 37 of them . The put the ones they still had onto shelves with 7 on each shelf . How many shelves did they use ?
[EX A]: 7

[EX Q]: Tom bought 40 tickets at the state fair . He spent 28 tickets at the ' dunk a clown ' booth and decided to use the rest on rides . If each ride cost 4 tickets , how many rides could he go on ?
[EX A]: 3

[EX Q]: Nancy uploaded 51 pictures to Facebook . She put 11 pics into one album and put the rest into 8 different albums . How many pictures were in each album ?
[EX A]:
5