I Know Your Handphone Number !!!!

This is a black magic trick that will tell you your own handphone number. Before you start this trick, please make sure you don’t try this at home without your mom and dad… If you’re ready, carefully follow these steps below. But remember, don’t try to cheat. Because, if you cheat, simple - the magic doesn’t work! Hahaha, here we go:

Key-in the first 3 digits of your handphone number (not the 01x number) into the calculator
Multiply by 80
Add 1
Multiply by 250
Plus last four digits of phone number
Plus last four digits of phone number again
Minus 250
Finally, divide by 2

Is this your handphone number????AMAZING!!!!!