I can guess your telephone number !!

If your handphone number is 91234567 (example for Singapore handphone)
~ Ignore the 1st number "9" ...this puzzle is using the remaining 7 numbers which is 1234567 for this case...try it....

Step 1 : enter "123"(your 1st 3 digit)
Step 2 : x 80
Step 3 : +1
Step 4 : x 250
Step 5 : + "4567" (your last 4 digits)
repeat Step 5 1 more time
Step 7 : - 250
Step 8 : Divide by 2
What did you get ?? Bingo !!