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: Brian ’ s car gets 20 miles per gallon . On his last trip , he used 3 gallons of gas . How many miles did he travel on his last trip ?

Output: 60


Input: Consider Input: Dina made cookies . She used 0.625 cup of flour and 0.25 cup of sugar . How much more flour than sugar did Dina use ?

Output: 0.375


Input: Consider Input: The mini library also has a section for the classics . If Jack has a collection of 6 classic authors , with each author having 33 books , how many books does he have in the classics section ?


Output: 198