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.

Ex Input:
Maria was making baggies of cookies with 8 cookies in each bag . If she had 5 chocolate chip cookies and 19 oatmeal cookies , how many baggies could she make ?

Ex Output:
3


Ex Input:
For the school bake sale Chloe made 28 cupcakes . If she sold 25 of them and then made 8 more , how many cupcakes would she have ?

Ex Output:
11


Ex Input:
Willy has 1400 crayons . Lucy has 290 crayons . How many more crayons does Willy have then Lucy ?

Ex Output:

1110