conversations.from: human
conversations.value: At a coffee shop, 7 customers order coffee at $5 each and 8 customers order tea at $4 each. How much money did the coffee shop make?
conversations.from: assistant
conversations.value: Sale from coffee is 7 x $5 = $35.
  Sale from tea is 8 x $4 = $32.
  Total sales is $35 + $32 = $67.