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.

Ex Input:
Mike made 101 dollars mowing lawns over the summer . If he spent 47 dollars buying new mower blades , how many 6 dollar games could he buy with the money he had left ?

Ex Output:
9


Ex Input:
For a birthday party Jerry bought 41 regular sodas and 22 diet sodas . If his fridge would only hold 9 on each shelf , how many shelves would he fill up ?

Ex Output:
7


Ex Input:
Edward earned 4 dollars for each lawn he mowed . If he had 17 lawns to mow , but forgot to mow 9 of them , how much money did he actually earn ?

Ex Output:

32