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]: susie 's father repaired the bookshelves in the reading room . if he has 210 books to be distributed equally on the 10 shelves he repaired how many books will each shelf contain ?
[EX A]: 21

[EX Q]: tiffany had 6 pages of math homework and 4 pages of reading homework . if each page had 3 problems on it how many problems did she have to complete total ?
[EX A]: 30

[EX Q]: cody made 12 dollars mowing lawns over the summer . if he charged 4 bucks for each lawn how many lawns did he mow ?
[EX A]:
3