conversations.from: human
conversations.value: Chenny bought 9 plates at $2 each. She also bought spoons at $1.50 each. How many spoons did Chenny buy if she paid a total of $24 for the plates and spoon?
conversations.from: assistant
conversations.value: The cost of 9 plates is $2 x 9 = $18.
  So, Chenny paid $24 - $18 = $6 for the spoons.
  Therefore, she bought $6/$1.50 = 4 spoons.