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

Ex Input:
Brenda wants to split a collection of erasers into groups of 90 . Brenda has 270 erasers . How many groups will be created ?

Ex Output:
3


Ex Input:
A worksheet had 3 problems on it . If a teacher had 15 worksheets to grade and had already graded 7 of them , how many more problems does she have to grade ?

Ex Output:
24


Ex Input:
A restaurant sold 8 pies every day for a week . How many pies were sold during the week ?

Ex Output:

56