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: Paul had 42 strawberries in his basket . He picked 78 more strawberries . How many strawberries did he have then ?
Example Output: 120

Example Input: Bonnie 's science class recorded the rainfall each day . They recorded 0.16666666666666666 centimeter of rain on Monday , 0.4166666666666667 centimeter of rain on Tuesday , and 0.08333333333333333 centimeter of rain on Wednesday . How many centimeters of rain did the class record in all ?
Example Output: 0.6666666666666666

Example Input: Craig starts with 5 Skittles . 2 are eaten by a hippopotamus . How many Skittles does Craig end with ?
Example Output:
3