Scary Math People

1) key-in the first 3 digits of your handphone number ( not the 01x number) into the calculator.

2) multiply by 80.

3) add 1.

4) multiply by 250.

5) plus last four digits of phone number.

6) plus last four digits of phone number again.

7) minus 250.

8) divide by 2 at last.

Is it your handphone number????