This easy exercise will reveal your all time favourite movie - very cool

A cool and amazing math trick*
This math exercise will only take you about ten seconds.
Amazingly, it really works and will reveal your all-time favourite movie.
DO NOT cheat. DO YOUR math, THEN compare the results to the list of movies at the bottom You will be AMAZED at how scary true and accurate this test is.
...

1. Pick a number from 1-9.
2. Multiply that number by 3
3. Add 3
4. Multiply by 3 again
5. Your total will be a two digit number.
Add the first and second digits together to find your favorite movie
(of all time) in the list of 17 movies below:
Movie List:
1. Gone With the Wind
2.. E.T
3. Blazing Saddles
4. Star Wars
5. Forrest Gump
6. The Good, the Bad, and the Ugly
7. Jaws
8. Grease
9. The Trudeau and Wynne Resignation Speech
10. Casablanca
11. Jurassic Park
12. Shrek
13. Pirates of the Caribbean
14. Titanic
15. Raiders of the Lost Ark
Home Alone
17. Mrs. Doubtfire