TEACHER: "If I gave you two rabbits, plus another two rabbits, plus another two, how many will you have?"
JOHNNY: "Seven, Sir."
TEACHER: "No. Listen carefully. If I gave you two rabbits, plus another two rabbits, plus another two, how many will you have?"
JOHNNY: "Seven."
TEACHER: "Let me put it to you differently. If I gave you two apples, plus another two apples and another two, how many will you have?"
JOHNNY: "Six."
TEACHER: "Good. Now, if I gave you two rabbits, plus another two rabbits, plus another two, how many will you have?"
JOHNNY: "Seven!"
TEACHER: "Where the hell do you get seven from?"
JOHNNY: