You are given a math word problem and you are supposed to apply a single mathematical operator 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: amy uploaded 180 pics to facebook . if she put the pics into 9 albums with the same number of photos in each album how many photos were in each album ?

Output: 20

Input: Consider Input: at the arcade dave spent 43 tickets on stuffed tiger . then he had 55 left . how many tickets did dave have to start with ?

Output: 98

Input: Consider Input: mike had 51 books but he sold 45 at a garage sale . how many books does mike still have ?
Output: 6