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

Ex Input:
Dave was working as a sacker at a grocery store where he made 6 dollars an hour . On Monday he worked 6 hours and on Tuesday he worked 2 hours . How much money did Dave make in those two days ?

Ex Output:
48


Ex Input:
A worksheet had 4 problems on it . If a teacher had 16 worksheets to grade and had already graded 8 of them , how many more problems does she have to grade ?

Ex Output:
32


Ex Input:
Roger had 45 dollars in January . By March he had spent 20 dollars . If he got another 46 dollars from his mom , how much money would he have ?

Ex Output:

71