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

Ex Input:
Paula 's aunt gave her $ 109 to spend on clothes at the mall . She bought 2 shirts that cost $ 11 each and a pair of pants that cost $ 13 . How much money does Paula have left to buy more clothes ?

Ex Output:
74


Ex Input:
Melanie goes fishing with Tom . Melanie catches 8 trout . Tom catches 2 times as many trout as Melanie . How many trout did Tom catch ?

Ex Output:
16


Ex Input:
It took Carl 5 hours to ride to Ralph 's house at 2 miles per hour . How far is it between Carl 's house and Ralph 's house ?

Ex Output:

10