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:
A book is on sale for 10 % off . If the regular price is 27.9 dollars , what is the sale price ?

Ex Output:
25.11


Ex Input:
A waiter had 9 tables he was waiting on , with 7 women and 3 men at each table . How many customers total did the waiter have ?

Ex Output:
90


Ex Input:
For a birthday party George bought 10 regular sodas and 22 diet sodas . If his fridge would only hold 4 on each shelf , how many shelves would he fill up ?

Ex Output:

8