Given the task definition, example input & output, solve the new input case.
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: for a birthday party cody bought 30 regular sodas and 5 diet sodas . if his fridge would only hold 7 on each shelf how many shelves would he fill up ?
Output: 5
total sods = 30+5 = 35, total shelves filled = total soda/7 = 35/7 = 5

New input case for you: 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 ?
Output:
82