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:
A recipe calls for 2 cups of sugar . You find that you only have 0.3333 cups of sugar left . What fraction of the recipe can you make ?

Ex Output:
0.165


Ex Input:
Haley has 63 magazines in her cabinet . She plans to send it to the recycling office in their area . If she places it in boxes which can contain 9 magazines , how many boxes will Hayley use ?

Ex Output:
7


Ex Input:
The Silvergrove Public Library used a grant to purchase 2647 books . Now the library has a total of 8582 books . How many books did the library have before the grant ?

Ex Output:

5935