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.

Input: Consider Input: John needs $ 2.5 . He has $ 0.75 . How much more money does he need ?

Output: 1.75


Input: Consider Input: A recipe calls for 0.6667 cup of diced green pepper . Give the number of cups of diced green pepper that should be used to make 0.5 of this recipe .

Output: 0.3333


Input: Consider Input: It took Amanda 3 hours to stroll to Kimberly 's house at 2 miles per hour . How far is it between Amanda 's house and Kimberly 's house ?


Output: 6