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.

Example Input: Sara grew 43 pumpkins , but the rabbits ate 23 pumpkins . How many pumpkins does Sara have ?
Example Output: 20

Example Input: If there are 7 crayons in a box and Gerald puts 6 more crayons inside , how many crayons are in the box ?
Example Output: 13

Example Input: Nicholas starts with 8 bottle caps . He gets 85 more from Catherine . How many bottle caps does Nicholas end with ?
Example Output:
93