conversations.from: human
conversations.value: A group of science students went on a field trip. They took 9 vans and 10 buses. There were 8 people in each van and 27 people on each bus. How many people went on the field trip?
  Solve it.
conversations.from: assistant
conversations.value: The vans held 9 vans * 8 people = 72 people.
  The buses held 10 buses * 27 people = 270 people.
  The total number of people on the field trip is 72 + 270 = 342 people.