Johnny was doing his math homework & saying: 2+5, the son of a bitch is 7. 3+6, the son of a bitch is 9... His Mom : What are you doing? Johnny : I'm doing math homework. Mom : This is how your teacher taught you? Johnny : Yes Infuriated, Mom asked the teacher the next day - 'What are you teaching my son in math?' Teacher : Right now, we are learning addition. Mom : Your teaching them to say 2+2, the Son of a bitch is 4? Teacher after laughing : What I taught themwas, 2+2, The Sum of Which is 4.