Boy: “I got an F in arithmetic.”

Boy: “I got an F in arithmetic.”
Father: “Why?”
Boy: “The teacher asked ‘How much is 2×3?’ and I said ‘6’”
Father: “But that’s right!”
Boy: “Then she asked me ‘How much is 3×2?'”
Father: “What’s the fucking difference?”
Boy: “That’s exactly what I said!”