Hi guys, I'm very new to Umbraco (not new to programming though), and still reading the docs.

I want to create a site with mostly static content, but amongst it is a page that is somewhat of a calculator. Users will upload files onto it, site will do some calculations/analysis and present the result to user.

The page needs to follow the look and feel of the rest of the site.

So how should I approach it? Should I create a Plugin? Or make a Content Type? A SurfaceController?