Your Monday morning brain teaser

1.) Key in the first 3 digits of your phone number into a
calculator (don't key in your area code).

2.) Multiply by 80.

3.) Add 1.

4.) Multiply by 250.

5.) Plus last 4 digits of your phone number.

6.) Plus last 4 digits of your phone number again.

7.) Minus 250.

8.) Divide by 2.

Is it your phone number?