Fas1kTV
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Kirill, I have no idea how you and Alexander are calculating this.
There are only 2 days at a price of 3500 per night, the rest are 4500 and 5000. Where does 10 come from? It turns out to be 17500 per person for a standard double room. My train ticket, for example, is 5,000 rubles round trip. + what you mentioned (hall and banquet), and at least 1,000 rubles per day for food. That's at least 35,000 rubles, and I'd also like to have a few drinks and play poker and other entertainment.
+I calculated approximately the same, but it's unclear how the tickets will turn out, but I think it's roughly correct.