prompt: Fred has 38 red marbles, half as many green ones, and the rest are dark blue. If he has 63 marbles, how many of them are dark blue?
messages.content: Fred has 38 red marbles, half as many green ones, and the rest are dark blue. If he has 63 marbles, how many of them are dark blue?
messages.role: user
messages.content: Fred has 38/2 = <<38/2=19>>19 green marbles.
  Fred has 63-38-19 = <<63-38-19=6>>6 dark blue marbles.
  #### 6
messages.role: assistant