public class Calculator { public static String cutResult(double allMoneyCalculator, int guestCalculator) { double guestMoney = allMoneyCalculator / guestCalculator; String resultCalculator = String.format("%.2f", guestMoney); return resultCalculator; } public static String rubles(double allMoneyCalculator, int guestCalculator) { double guestPrice = allMoneyCalculator / guestCalculator; double result2 = Math.floor(guestPrice); double result3 = result2 % 10; double result4 = result2 % 100; String rubCalculator; if (result2 >= 10 && result2 <= 20) { rubCalculator = "рублей."; } else if (result4 >= 10 && result4 <= 20) { rubCalculator = "рублей."; } else if (result3 >= 2 && result3 <= 4) { rubCalculator = "рубля."; } else if (result3 >= 5 && result3 <= 9) { rubCalculator = "рублей."; } else if (result3 == 1) { rubCalculator = "рубль."; } else { rubCalculator = "рублей."; } return rubCalculator; } }