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: There are 46 rulers in the drawer . Tim took 25 rulers from the drawer . How many rulers are now in the drawer ?

Output: 21


Input: Consider Input: On a hot day , Sam poured 1 bucket of water into a plastic wading pool . A few minutes later he added another 8.8 buckets . How much water did Sam pour into the pool ?

Output: 9.8


Input: Consider Input: It took Katherine 3 hours to run to Louis 's house at 8 miles per hour . How far is it between Katherine 's house and Louis 's house ?


Output: 24