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:
warren has 252 guests coming to his party . each table will hold 4 guests . how many tables will he need ?

Ex Output:
63


Ex Input:
jesse 's room is 12 feet long and 8 feet wide . how much carpet does she need to cover the whole floor ?

Ex Output:
96


Ex Input:
susie 's father repaired the bookshelves in the reading room . if he has 210 books to be distributed equally on the 10 shelves he repaired how many books will each shelf contain ?

Ex Output:

21