conversations.from: human
conversations.value: Can you give me some step-by-step instructions for this math problem: Tommy is fundraising for his charity by selling brownies for $3 a slice and cheesecakes for $4 a slice. If Tommy sells 43 brownies and 23 slices of cheesecake, how much money does Tommy raise?
conversations.from: assistant
conversations.value: Tommy raised 43 brownies x $3/brownie = $129 by selling brownies.
  Tommy raised 23 slices x $4 = $92 by selling cheesecakes.
  In total Tommy has raised $129 + $92 = $221