conversations.from: human
conversations.value: Find a solution for this math problem: There were 672 balloons that were either green, blue, yellow, or red. They were divided into equal groups and then Anya took half of the yellow ones home. How many balloons did Anya take home?
conversations.from: assistant
conversations.value: 672/4 = 168 balloons
  168 * (1/2) = 84 balloons
  Anya took 84 balloons home.