no, no, no, this would be too easy! You have to pass (or skip) all of the previous levels first!
As you can see it's allowed to try, but it will have no effect...
» play now «
so what's my favourite number?
hint: i have multiplied it 5 times - sometimes with 4 and sometimes with 3 (can't remember) and the result was 13248. the results has always been an integer.