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 Q]: The school is planning a field trip . There are 180 students and 60 seats on each school bus . How many buses are needed to take the trip ?
[EX A]: 3

[EX Q]: There are 2 students in the class and 18 pencils . If the pencils are divided equally among the students , how many does each student get ?
[EX A]: 9

[EX Q]: A painter needed to paint 12 rooms in a building . Each room takes 3 hours to paint . If he already painted 4 rooms , how much longer will he take to paint the rest ?
[EX A]:
24