Try this... :)

[Gem]

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 umber (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

[SugaCube]

that is a bit weid!!

[Gem]

It is isn't it! I'm sure Manikular will come up with a perfectly logical explanation tho! ;) :D

[Sneaky]

Cool trick. :)