conversations.from: human
conversations.value: A 10 m long and 8 m wide rectangular floor is to be covered with a square carpet with 4 m sides. How many square meters of the floor are uncovered?
  Solve this problem.
conversations.from: assistant
conversations.value: The area of the floor is 10 m x 8 m = 80 square meters.
  The area of the carpet is 4 m x 4 m = 16 square meters.
  Therefore, the area of the floor not covered by the carpet is 80 square meters - 16 square meters = 64 square meters,