You are given a math word problem and you are supposed to apply multiplication or division mathematical operators on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

Ex Input:
A 12 ounce can of cranberry juice sells for 84 cents . What is the cost in cents per ounce .

Ex Output:
7


Ex Input:
Andrew spent 3 day working on his Science report . He worked for 2.5 hours each day . How many hours did he work ?

Ex Output:
7.5


Ex Input:
David had 4000 dollars invested for 0.25 of a year at a simple rate of 6.1 % . How much interest did he earn ?

Ex Output:

61