conversations.from: human
conversations.value: Can you give me some step-by-step instructions for this math problem: If a solver flips a coin 211 times and gets a head on 65 of the flips, how many more tails than heads did he get?
conversations.from: assistant
conversations.value: If the solver got a head in 65 of the 211 flips, he got 211-65 =146 tails
  The number of tails than he got more than head is 146-65=81