You are given a math word problem and you are supposed to apply a single mathematical operators like addition, subtraction, multiplication or division on the numbers embedded in the text to answer the following question and then only report final the 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:
The library is divided into different sections for different type of books . The science fiction section has 8 books . If each book has 478 pages , how many pages do all the books have in total ?

Ex Output:
3824


Ex Input:
Jason has 7 violet balloons and 4 red balloons . He lost 3 of the violet balloons . How many violet balloons does Jason have now ?

Ex Output:

4