Little Johny

Little Johnny returns home from school and says he got an F in mathematics.
“Why?” asks the father. “The teacher asked, ‘How much is 2 x 3?’, I said 6″ replied Johnny. “But that’s right!” says his dad.
“Yeah, but then she asked me, ‘How much is 3 x 2?”
“What’s the fucking difference?” asks the father.
“That’s what I said!” said Johnny.