You Do The Math
A 54 year old accountant decides to leave his wife, and to rub it in at the same time. So he writes her a letter that reads: Dear Wife, I am 54, and by the time you get this letter I will be at the Grand Hotel with my beautiful and sexy 18 year old secretary.
When he arrives at the hotel the front desk clerk hands him a letter that was waiting for him. It read: Dear Husband, I too am 54 and by the time you receive this letter I will be at the Surfside Motel with my handsome and virile 18 year old boy toy.You being an accountant can certainly appreciate that 18 goes into 54 more times than 54 goes into 18