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.

Input: Consider Input: the book fair had a sale where 3 books were $ 18.72 . if you wanted to buy 6 books how much money would you need ?

Output: 37.44

Input: Consider Input: susie and her sister gathered all 98 of their teddy bears and placed them on the shelves in their bedroom . if every shelf can carry a maximum of 7 teddy bears how many shelves will be filled ?

Output: 14

Input: Consider Input: billy was making ice using ice trays . each tray held 9 ice cubes . if he had 8 trays how many cubes could he make ?
Output: 72