prompt: John decides to get the vaccine for COVID.  He has to wait 20 minutes for the first dose.  The second dose has a wait time half as long.  How long was the total wait time?
messages.content: John decides to get the vaccine for COVID.  He has to wait 20 minutes for the first dose.  The second dose has a wait time half as long.  How long was the total wait time?
messages.role: user
messages.content: The second dose had a wait time of 20/2=<<20/2=10>>10 minutes
  So the total wait time is 20+10=<<20+10=30>>30 minutes
  #### 30
messages.role: assistant