prompt: Every week of last month Paul tried out a new cake recipe.  The first week, he followed a cake recipe that called for 24 cups of sugar. Each week after that, he reduced the amount of sugar by half. How much sugar did he use for the cake on the fourth week?
messages.content: Every week of last month Paul tried out a new cake recipe.  The first week, he followed a cake recipe that called for 24 cups of sugar. Each week after that, he reduced the amount of sugar by half. How much sugar did he use for the cake on the fourth week?
messages.role: user
messages.content: On the 2nd week, Paul halved the first week's sugar, therefore he used 24/2 = <<24/2=12>>12 cups
  The third week, Paul used 12/2 = <<12/2=6>>6 cups
  The fourth week, he used 6/2 = <<6/2=3>>3 cups
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messages.role: assistant