An insurance salesman walks up to 14 Apple street and knocks on the door. A woman answers and he asks her how many children she has and how old they are. She says I will give you a hint. If you multiply the 3 children’s ages you get 36. He says this is not enough information. So she gives him a second hint. If you add up the children’s ages the sun is the number on the house next door. He goes next door and looks at the house number and says that it’s still not enough information. So she says she’ll give him one last hint which is that her oldest of the 3 plays piano