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: Tom found 7 seashells but 4 were broken . How many unbroken seashells did Tom find ?
Example Output: 3

Example Input: The Spurs basketball team has 22 players . Each player has 11 basketballs . How many basketballs do they have in all ?
Example Output:
242