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: evan has a large collection of books . he gave his best friend 14 books . he gave his little brother 8 books . now evan has 60 books in his collection . how many books did he have at first ?
Example Output: 82

Example Input: cody had 45 dollars . for his birthday he got 9 more dollars but spent 19 on a new game . how much money does he have now ?
Example Output: 35

Example Input: ned was helping the cafeteria workers pick up lunch trays but he could only carry 8 trays at a time . if he had to pick up 27 trays from 1 table and 5 trays from another how many trips will he make ?
Example Output:
4

