That was an earlier price, and still applies, of course.
I don’t think he specified how many rubles or how much gold.
If you think about it (from Russia’s perspective), both are very sound moves. Repatriate rubles held by other countries so they can’t flood the market later on and devalue your currency. And if you want to relink your currency to gold, it would help to maximize your gold reserves.
Another older article that people may have forgotten about: https://research.reading.ac.uk/research-blog/why-russia-has-put-the-rouble-on-a-gold-standard-but-its-unlikely-to-last/