prompt: John buys 4 pounds of beef.  He uses all but 1 pound in soup.  He uses twice as many pounds of vegetables as beef.  How many pounds of vegetables did he use?
messages.content: John buys 4 pounds of beef.  He uses all but 1 pound in soup.  He uses twice as many pounds of vegetables as beef.  How many pounds of vegetables did he use?
messages.role: user
messages.content: He used 4-1=<<4-1=3>>3 pounds of beef
  So he used 3*2=<<3*2=6>>6 pounds of vegetables
  #### 6
messages.role: assistant