conversations.from: human
conversations.value: Provide a step by step solution for the following math problem: Leila bought a living room set consisting of a sofa worth $1,250, 2 armchairs costing $425 each and a coffee table. The total amount of the invoice is $2,430. What is the price of the coffee table?
conversations.from: assistant
conversations.value: The price of 2 armchairs is $425 x 2 = $850. Mrs. Dubois will pay $850 for the 2 seats.
  Thus the Coffee table price is $2,430 – ($1,250 + $850) = $2,430 – $2,100 = $330