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:
Maria was making baggies of cookies with 3 cookies in each bag . If she had 2 chocolate chip cookies and 16 oatmeal cookies , how many baggies could she make ?

Ex Output:
6


Ex Input:
Before starting her shift , a waitress checks to make sure there is enough mustard for her customers . She finds 0.25 bottle at the first table , 0.25 bottle at the second table , and 0.375 bottle at the third table . Altogether , how many bottles of mustard does the waitress find ?

Ex Output:
0.875


Ex Input:
A worksheet had 4 problems on it . If a teacher had 9 worksheets to grade and had already graded 5 of them , how many more problems does she have to grade ?

Ex Output:

16