instruction:
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.
question:
Edward and his friend were buying trick decks from the magic shop for 9 dollars each . How much did they spend if Edward bought 4 decks and his friend bought 4 decks ?
answer:
72


question:
Joan spent $ 15 on shorts and $ 14.82 on a jacket , and $ 12.51 on a shirt . She went to 3 shops . In total , how much money did Joan spend on clothing ?
answer:
42.33


question:
Luke was trying to expand his game collection . He bought 2 games from a friend and bought 2 more at a garage sale . If 2 of the games did n't work , how many good games did he end up with ?
answer:

2