prompt: Lizzie has half as many crayons as Bobbie. Bobbie has three times as many crayons as Billie. If Billie has 18 crayons, how many crayons does Lizzie have?
messages.content: Lizzie has half as many crayons as Bobbie. Bobbie has three times as many crayons as Billie. If Billie has 18 crayons, how many crayons does Lizzie have?
messages.role: user
messages.content: Bobbie has 18 * 3 = <<18*3=54>>54 crayons.
  Lizzie has 54 / 2 = <<54/2=27>>27 crayons.
  #### 27
messages.role: assistant