conversations.from: human
conversations.value: Jack sews 3 shirts for each of his 3 kids. He sews 7 buttons in each shirt. How many buttons must Jack use for all the shirts?
  Give me a clear explanation.
conversations.from: assistant
conversations.value: The total number of shirts for all his kids is 3 * 3 = 9 shirts.
  The total number of needed buttons is 9 * 7 = 63 buttons.