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.

Ex Input:
I walk 1 mile every 15 minutes . I walked 3 miles . How many minutes did it take me ?

Ex Output:
45


Ex 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 ?

Ex Output:
3


Ex Input:
There are 5 people on the Green Bay High track team . If a relay race is 150 meters long , how far will each team member have to run ?

Ex Output:

30