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

Ex Input:
While shopping , Maria bought 40 green towels and 44 white towels . If she gave her mother 65 of them , how many towels did Maria end up with ?

Ex Output:
19


Ex Input:
Nancy uploaded 41 pictures to Facebook . She put 37 pics into one album and put the rest into 2 different albums . How many pictures were in each album ?

Ex Output:
2


Ex Input:
For Halloween Katie and her sister combined the candy they received . Katie had 8 pieces of candy while her sister had 23 . If they ate 8 pieces the first night , how many pieces do they have left ?

Ex Output:

23