conversations.from: human
conversations.value: Can you guide me through solving this problem: A farmer is selling ducks and chickens at the market. He sells ducks for $10 and chickens for $8. He sells 5 chickens and some ducks. He then spends half his earnings on a new wheelbarrow. After buying it, someone sees it and agrees to pay the farmer double what the farmer paid and the farmer earns another $60. How many ducks did the farmer sell?
conversations.from: assistant
conversations.value: The wheelbarrow cost $30 because 60 / 2 = 30
  The farmer earned $60 from selling fowl because 30 / (1/2) = 60
  The farmer earned $40 selling chickens because 5 x 8 = 40
  The farmer earned $20 selling ducks because 60 - 40 = 20
  The farmer sold 2 ducks because 20 / 10 = 2