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.
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Question: when he arrived there he went on to climb to the top of the falls . it usually takes 30 minutes for someone to get to the top . stanley took time to see the view so his climb took 7 times longer than the usual . how many minutes did it take stanley to get to the top ?

Answer: 210


Question: she also tried to get to know the teachers in the school . she found out that there are 7 departments in the school and each department has 20 teachers . how many teachers are there in total ?

Answer: 140


Question: the school is planning a field trip . there are 60 students and 10 seats on each school bus . how many buses are needed to take the trip ?

Answer:
6