A Number Puzzle

[Rik]

Find the number that should replace the question mark.

Please give your answer in a .xar file or a .zip file, so that other member can also have a go.

[handrawn]

there ya go... [hopefully]

[glenngosack]

I get the same answer as handrawn's

[roly]

Hi Rik, same answer as handrawn and glenngosack.

Ciao

Roly

[wizard509]

Good for you guys.

I must disqualify myself because I peeked at handrawns answer.

[Rik]

Good for you guys.

I must disqualify myself because I peeked at handrawns answer.

No problems, Larry.
You can have a go at the next one that I'm going to post in a short while.

BTW, Steve is correct with his answer.