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: isabel received 14 dollars for her birthday . later she found some toys that cost 2 dollars each . how many of the toys could she buy ?
Example Output: 7

Example Input: tyler had 15 dogs . each dog had 5 puppies . how many puppies does tyler now have ?
Example Output: 75

Example Input: beside the pile of clean white paper was a stack of 700 sheets of used paper . she wants to place it in boxes for recycling . if every box can contain 100 sheets how many boxes does she need ?
Example Output:
7