conversations.from: human
conversations.value: John scores 2 shots worth 2 points and 1 shot worth 3 points every 4 minutes.  He plays for 2 periods.  Each period is 12 minutes.  How many points does he score?
  Find the solution.
conversations.from: assistant
conversations.value: He played for 2*12=24 minutes
  He gets 2*2=4 points per minute from the two-point shots
  So he scores 4+3=7 points per minute
  There are 24/4=6 intervals
  So he scores 7*6=42 points