conversations.from: human
conversations.value: Darcie is 4 years old. She is 1/6 as old as her mother and her mother is 4/5 as old as her father. How old is her father?
  Give me a clear explanation.
conversations.from: assistant
conversations.value: Darcie's mother is 4*6=24 years old.
  Darcie's father is 24/4*5=30 years old.