There was a little son who asked his dad about his assignment
Little son: dad! what is escalator?
Little son: dad! what is escalator?
Dad: oh! very simple my son, ,it is stairs
go up and down
Little son: asked by dad!
Little son: asked by dad!
what is elevator?
Dad; again very simple That is door open
closed goes up and down Little son: what is calculator?
Dad; oh! very
simple it is a door open closed like you brain for paying school fees with
extra charges
Little son: I haven'tsee that going up and down even close or open. Neither I have seen door open
closed, as my mom gave me birth but only see you while going up and going
down on my Mom
Dad; oh! very bad why you like this for old books.You
want to be dirty boy
Little son: No no Dad! you know any definition
is cleared and explained with photos only in old books. That is why I am always
looking at you and looking at Mom whats new formula for love subject how
open closed the door before enter inside it