conversations.from: human
conversations.value: James buys 10 shirts and half as many pants.  The shirts cost $6 each and the pants cost $8 each.  How much did everything cost?
  Solve it.
conversations.from: assistant
conversations.value: He bought 10/2=5 pants
  The shirts cost a total of 10*6=$60
  The pants cost 8*5=$40
  So the total cost was 60+40=$100