conversations.from: human
conversations.value: Break down this math problem: A chef bought 4 bags of onions. Each bag weighs 50 pounds. A pound of onions cost $1.50. How much did the chef spend?
conversations.from: assistant
conversations.value: A bag of onions cost $1.50 x 50 = $75.
  Therefore, the chef spent $75 x 4 = $300 for the four bags of onions.