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]: The cost of 5 feet of chain is 2 dollars , what length of chain can be purchased with 7.5 dollars ?
[EX A]: 18.75

[EX Q]: At lunch a waiter had 7 customers and 4 of them did n't leave a tip . If he got $ 9 each from the ones who did tip , how much money did he earn ?
[EX A]: 27

[EX Q]: Tiffany was playing a video game where she scores 6 points for each treasure she finds . If she found 3 treasures on the first level and 5 on the second , what would her score be ?
[EX A]:
48