TEACHER: IF I GAVE YOU 2 CATS, AND ANOTHER 2 CATS AND ANOTHER 2, how many will you have?

Johnny: Seven Sir

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

Johnny: Seven.

Very angry Teacher: How on Earth do you get seven cats, Johnny ?


Very angry Johnny: Because I already have one damn cat at home already !!!