Justification for the "reversed" instruction format

[email protected] (Parrot Raiser) Tue, 6 Sep 2016 12:43:02 -0400
Newsgroups perl.perl6.language
Message-ID <CACwLAp9UWN99EQFau0M9qMyiqPuVz1iRU9aqzz5g66gAjY0T1w@mail.gmail.com>
I've just stumbled across "reversed operators", e.g. say 4 R/ 12; # 3
in the documentation. I'm curious to know why the language includes
them? I'm having trouble understanding where they would be useful.