conversations.from: human
conversations.value: Can you give me some step-by-step instructions for this math problem: Errol bought a computer, 2 monitors, and a printer for $2,400. He paid $400 less for the printer than the computer. If the computer cost $1,100, how much did one monitor cost, in dollars?
conversations.from: assistant
conversations.value: He paid 1100-400=700 for the printer.
  He paid 2400-1100-700=600 dollars for the monitors.
  Each monitor costs 600/2=300 dollars.