conversations.from: human
conversations.value: Provide a step by step solution for the following math problem: Gerald wants to buy a meat pie that costs 2 pfennigs. Gerald has 54 farthings, and there are 6 farthings to a pfennig. How many pfennigs will Gerald have left after buying the pie?
conversations.from: assistant
conversations.value: First convert the number of farthings Gerald has to pfennigs by dividing by the exchange rate: 54 farthings / 6 farthings/pfennig = 9 pfennigs
  Then subtract the cost of the meat pie to find how many pfennigs Gerald has left: 9 pfennigs - 2 pfennigs = 7 pfennigs