public class Finish { public static String finish(float overallCost) { String suffix; int hundred = (int) Math.floor(overallCost % 100); if (hundred <= 14 && hundred >= 11) { // Исправил suffix = " рублей "; } else { int ten = hundred % 10; if (ten == 1) { suffix = " рубль "; } else if (ten >= 2 && ten <= 4) { suffix = " рубля "; } else { suffix = " рублей "; } } return suffix; } }