Each soldier daily got two cups of wine or vodka: one in the morning, another in the evening. And his ration included three liters of beer. For outstanding service, a soldier could earn an additional portion of booze.
Although it's not the smoothest method, Russians insist this is the only way to do it. A standard vodka shot in a ryumochnaya is about 50 grams and usually costs less than $1 USD.