Easy Math

My Dear Wife ,
> >
> > You will surely understand that I have certain needs
> that you, being 54 years old, can no longer satisfy. I am very happy
> with you and I value you as a good wife.
> >
> > Therefore, after reading this letter, I hope that you
> will not wrongly interpret the fact that I will be spending the evening
> with my 18 year old secretary at the Comfort Inn Hotel. Please don't
> be upset I shall be home before midnight.'
> >
> >
> > When the man came home late that night, he found the
> following letter on the dining room table.
> >
> >
> >
> >
> >
> >
> > My Dear Husband,
> >
> >
> > I received your letter and thank you for your honesty
> about my being 54 years old. I would like to take this opportunity to
> remind you that you are also 54 years old. As you know, I am a math
> teacher at our local college.
> >
> > I would like to inform you that while you read this, I
> will be at the Hotel Fiesta with Michael, one of my students, who is
> also the assistant tennis coach. He is young, virile, and like your
> secretary, is 18 years old..
> >
> > As a successful businessman who has an excellent knowledge of math, you
> > will understand that we are in the same situation, although with one small
> > difference 18 goes into 54 a lot more times than 54 goes into 18.
> > Therefore, I will not be home until sometime tomorrow.