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 Q]: A company invited 18 people to a luncheon , but 12 of them did n't show up . If the tables they had held 3 people each , how many tables do they need ?
[EX A]: 2

[EX Q]: Dave was working as a sacker at a grocery store where he made 6 dollars an hour . On Monday he worked 6 hours and on Tuesday he worked 2 hours . How much money did Dave make in those two days ?
[EX A]: 48

[EX Q]: A tennis racket that regularly sells for 135 dollars is on sale for 25 % off the regular price . What is the sale price , in dollars ?
[EX A]:
101.25