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.

Input: Consider Input: Each chocolate bar in a box cost $ 2 . If a box had 13 bars total and Rachel sold all but 4 bars , how much money would she have made ?

Output: 18


Input: Consider Input: The school is planning a field trip . There are 9 students and 3 seats on each school bus . How many buses are needed to take the trip ?

Output: 3


Input: Consider Input: Edward was working as a sacker at a grocery store where he made 6 dollars an hour . On Monday he worked 3 hours and on Tuesday he worked 5 hours . How much money did Edward make in those two days ?


Output: 48