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.

[Q]: Tom purchased a football game for $ 14.02 , a strategy game for $ 9.46 , and a Batman game for $ 12.04 . How much did Tom spend on video games ?
[A]: 35.52


[Q]: Mrs. Hilt saw a rollercoaster . 7 students rode the rollercoaster every 5 minutes . How many students rode the rollercoaster in 15 minutes ?
[A]: 21


[Q]: At lunch a waiter had 9 customers and 5 of them did n't leave a tip . If he got $ 8 each from the ones who did tip , how much money did he earn ?
[A]:
32