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 the school bake sale Bianca made 14 cupcakes . If she sold 6 of them and then made 17 more , how many cupcakes would she have ?
Example solution: 25
Example explanation: Total cupcakes she would have = baked - sold = 14 -6 + 17 = 25 

Problem: Mike made 42 dollars mowing lawns over the summer . If he spent 10 dollars buying new mower blades , how many 8 dollar games could he buy with the money he had left ?

Solution: 4