Little Jonny: How many rabbits?

Teacher: If I gave you 2 rabbits, and another 2 rabbits and another 2, how many will you have?

Johnny: Seven Sir

Teacher: No, listen carefully. If I gave you 2 rabbits, and another 2
rabbits and another 2, how many will you have?
Johnny: Seven

Teacher: Let me put it to you differently. If I gave you 2 apples, and

another 2 apples and another 2, how many will you have?

Johnny: Six.

Teacher: Good. Now if I gave you 2 rabbits, and another 2 rabbits and
another 2, how many will you have?

Johnny: Seven!

Teacher: Where the **** do you get seven from?

Johnny: Because I've ****in already got one at home.