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]: Mrs. Hilt uses 2 ounces of detergent to wash a pound of clothes . How many ounces of soap will Mrs. Hilt use to wash 9 pounds of clothes ?
[A]: 18


[Q]: There are 79 pencils in a box . Eric takes 4 pencils . How many are left ?
[A]: 75


[Q]: Beka flew 873 miles to visit her aunt . Jackson flew 563 miles to visit his aunt . How many more miles did Beka fly than Jackson ?
[A]:
310