conversations.from: human
conversations.value: Tony has $87. He needs to buy some cheese, which costs $7 a pound and a pound of beef that costs $5 a pound. After buying the beef and his cheese, he has $61 left. How many pounds of cheese did he buy?
conversations.from: assistant
conversations.value: He spent $26 because 87 - 61 = 26
  He spend $21 on cheese because 26 -5 = 21
  He bought 3 pounds of cheese because 21 / 7 = 3