conversations.from: human
conversations.value: A building has 300 units. Half the units are residential and the other half are split evenly between offices and restaurants. How many restaurants are there in the building?
  Give me a clear explanation.
conversations.from: assistant
conversations.value: There are 300/2 = 150 units for offices and restaurants.
  There are 150/2 = 75 restaurants in the building.