You are given a math word problem and you are supposed to apply a single mathematical operators like addition, subtraction, multiplication or division on the numbers embedded in the text to answer the following question and then only report final the numerical answer.

[Q]: If 0.5 of 8 pets are cats . How many are cats ?
[A]: 4


[Q]: Diana starts with 65 bottle caps . 4 are eaten by a hippopotamus . How many bottle caps does Diana end with ?
[A]: 61


[Q]: My car gets 20 miles per gallon of gas . If Grandma ’ s house is 100 miles away , how many gallons of gas would it take to get to her house ?
[A]:
5