conversations.from: human
conversations.value: Find a solution for this math problem: Jan enters a double dutch competition.  After training she doubles her speed which used to be 70 skips per minute.  How many skips does she do in 5 minutes?
conversations.from: assistant
conversations.value: She does 70*2=140 skips a minute
  So he does 140*5=700 skips in the 5 minutes