prompt: There are 40 ducks in a pond.  50 percent of the ducks are Muscovy and 30 percent of the Muscovies are female.  How many female Muscovy ducks there?
messages.content: There are 40 ducks in a pond.  50 percent of the ducks are Muscovy and 30 percent of the Muscovies are female.  How many female Muscovy ducks there?
messages.role: user
messages.content: Muscovies: 40(.50)=<<40*.50=20>>20 Muscovy ducks
  Female Muscovies:20(.30)=6 ducks
  #### 6
messages.role: assistant