conversations.from: human
conversations.value: Break down this math problem: Alexander is going food shopping. If he buys 5 apples for $1 each and 2 oranges for $2 each, how much does he spend?
conversations.from: assistant
conversations.value: Alexander spends 5 * $1 = $5 on apples.
  He spends 2 * $2 = $4 on oranges.
  In total, he spends $5 + $4 = $9.