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

Example Input: There are 34 dogwood trees currently in the park . Park workers will plant 49 dogwood trees today . How many dogwood trees will the park have when the workers are finished ?
Example Output: 83

Example Input: Dan has $ 3 . He bought a candy bar for $ 1 . How much money is left ?
Example Output: 2

Example Input: Joan 's cat had 8 kittens . She gave 2 to her friends . How many kittens does she have now ?
Example Output:
6

