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

Input: Consider Input: iesha has 344 books . 136 are about school and the rest are about sports . how many books about sports does iesha have ?

Output: 208

Input: Consider Input: across the river he fell into a hole . to get out he needs to fill it with 823 gallons of water . if the hole initially has 676 gallons how much water does he need to fill it ?

Output: 147

Input: Consider Input: erin and dana finished a 2 day bike-a-thon . they rode 37 miles the first day the rode 55 miles the second day . how many miles did they ride altogether ?
Output: 92