It's fairly easy to buy a "multimedia" European keyboard with 124 keys. It's somewhat harder, outwith Brazil, to get hold of a "multimidia" ABNT2 keyboard with 126 or more keys, but they are commercially available there, at least.

Here's one with 127 keys: https://mcinformatica.loja2.com.br/715631-Teclado-Multimidia...