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.

Example Input: it takes 7 minutes to bake 1 pan of cookies . how long will it take to bake 4 pans of cookies ?
Example Output: 28

Example Input: sam has 58 power ranger stickers . he bundles them up in 2 boxes . if there are 23 power ranger stickers in the first box how many more power ranger stickers are there in the second box than the first box ?
Example Output: 12

Example Input: haley loves to collect things . this year she decided to give away part of her collection as it was taking too much space in her room . 9 of her closest friends like stickers . if she plans to give all of them an equal number of stickers how many will each receive if she has 72 stickers ?
Example Output:
8