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 12 ounce can of cranberry juice sells for 84 cents . Give the unit cost in cents per ounce .

Ex Output:
7


Ex Input:
The next act involved several jugglers . If each juggler is juggling 6 balls at a time , how many balls are needed if there are 378 jugglers putting a show at the same time ?

Ex Output:
2268


Ex Input:
There are 397 butterflies . Each butterfly has 12 black dots and 17 yellow dots . How many black dots are there in all ?

Ex Output:

4764