conversations.from: human
conversations.value: Find the answer to the math problem: A group of people contains men, women, and children. The number of men is twice the number of women, and the number of women is 3 times the number of children. If the number of children is 30, how many people does this group contain?
conversations.from: assistant
conversations.value: The number of women in the group is 3 women/child * 30 children = 90 women.
  The number of men in the group is 2 men/woman * 90 women = 180 men.
  The total number of people in the group is 180 men + 90 women + 30 children = 300 people.