SIMPLE AS A-B-C

It is 5:32 a.m. and Patrick and Junior are asleep and the Boarder is in Room#4 with two cats.

"If it runs FROM you, it's YOUR prey. If it runs AT you, you're IT'S prey." --Earthdog Patrick, My Life As A Small Carnivore

This is so cool: Can you figure out the equation?

1. GRAB A CALCULATOR--- (YOU WON'T
BE ABLE TO DO THIS ONE IN YOUR HEAD)
2. KEY IN THE FIRST THREE DIGITS OF YOUR PHONE NUMBER (NOT
THE AREA CODE)
3. MULTIPLY BY 80
4. ADD 1
5. MULTIPLY BY 250
6. ADD THE LAST 4 DIGITS OF YOUR PHONE NUMBER
7. ADD THE LAST 4 DIGITS OF YOUR PHONE NUMBER AGAIN.
8. SUBTRACT 250
9. DIVIDE NUMBER BY 2
DO YOU RECOGNIZE THE ANSWER???

go gators