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]: Marie can bike at a speed of 12 miles an hour . How far can she bike in 31 hours ?
[A]: 372


[Q]: There are 112 short trees and 119 tall trees currently in the park . Park workers will plant 105 short trees today . How many short trees will the park have when the workers are finished ?
[A]: 217


[Q]: Mary is baking a cake . The recipe calls for 7 cups of flour and 3 cups of sugar . She already put in 2 cups of flour . How many cups of flour does she need to add ?
[A]:
5