In the primary school classroom. the Teacher Tashi pointed to a number on the black board and asked Bu Nyima."How much is five plus two?" "Tashi -la. I have no idea. Answered Bu Nyima. Then the teacher said, "if i give you five dollars and your Father gives you tow dollars how much do you have? Bu Nyima said: " i have a total of nine dollars." Then the teacher said. " how do you get nine dollars from this calculation?" "oh, i have the two dollars which my Mum gave me" said Bu Nyima.