conversations.from: human
conversations.value: An aqua park charges $12 admission and $6 for a tour. A group of 10 people goes to the aquarium and takes the tour; while a group of 5 people only goes to the aquarium. How much does the aqua park earn?
  Solve it.
conversations.from: assistant
conversations.value: A group of 10 people is charged $12 + $6 = $18 each.
  So, 10 people pay $18 x 10 = $180.
  A group of 5 people pays $12 x 5 = $60 for the admission.
  Thus, the aqua park earns a total of $180 + $60 = $240.