Find any number easily

Check the answer will be always 8.

Check it out.
1. Think of any number.
2. Subtract the number you have thought with 1.
3. Multiply the result with 3.
4.  Add 12 with the result.
5.  Divide the answer by 3.
6.  Add 5 with the answer.
7. Take away the number you have thought from the answer, that is, subtract the answer from the
    number you have thought. 
You will get the answer 8.