So I got a file ending in part1.rar, part 2.rar and part3.rar. They are all supposed to be extracted into one file

With WinRar, it’s easy enough, just open all rar files at the same time and extract them.

With PeaZip however, it doesn’t seem to be as straightforward. If I open all of them them and press extract, for some reason it makes a zip folder containing all RAR files. If I extract them individually, the extraction is faulty and doesn’t work because the entire file is not being extracted

So how do I move forward?