Formula of Kissing a Girl.

Boy was
teaching maths to a girl... Boy kissed girl,again kiss her & said
''This is
called Addition..''

Girl kissed boy & said, ''This is Subtraction..''

Both of them kissed each
other and said,
''This is
Multiplication..''

Suddenly girl's father came. He beaten boy and thrown him out of home and said
''this is called Division..'

p/s:hehe.. Peace!