Your Handphone Number

1) Key-in the first 3 digit 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 digit of phone number
6) plus last four digit of phone number again
7) minus 250 divide by 2 at last Is it your hand phone number????

AMAZING ISN'T IT!!!