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: 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: Ralph starts with 74 peanuts . He loses 59 . How many peanuts does Ralph end with ?
Example Output: 15

Example Input: On the first day of the week Pat had 39 stickers . Pat earned 22 more during the week . How many stickers did Pat have at the end of the week ?
Example Output:
61