Description: Sal uses a picture and understanding of multiplication to solve a division word problem. Created by Sal Khan. Now, the number of stories seems interesting, especially because they tell us the total number of feet or the total height of the building. For example, they tell us that the building is 63 feet tall. So, this height right over here, the building's height is 63 feet tall and they tell us that it has seven stories.*Teacher Advisor is 100% free.