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.

Ex Input:
Greg and Sharon own neighboring cornfields . Greg harvested 0.4 acre of corn on Monday and Sharon harvested 0.1 acre . How many more acres did Greg harvest than Sharon ?

Ex Output:
0.3


Ex Input:
There were a total of 27 soccer games during the 3 month season . If the games are equally divided , how many soccer games are played a month ?

Ex Output:
9


Ex Input:
Each bottle cap costs $ 2 . How much do 6 bottle caps cost ?

Ex Output:

12