Sweets

 import java.util.Scanner;
        public class Ex1ChristmasSweets {
            public static void main(String[] args) {
                Scanner scanner = new Scanner(System.in);

                double BaklavaPrice = Double.parseDouble(scanner.nextLine());
                double MuffinsPrice = Double.parseDouble(scanner.nextLine());
                double ShtolenKg = Double.parseDouble(scanner.nextLine());
                double CandysKg = Double.parseDouble(scanner.nextLine());
                int BiscuitsKg = Integer.parseInt(scanner.nextLine());

                double ShtolenPrice = BaklavaPrice+BaklavaPrice*0.60; // или BaklavaPrice * 1.60
                double ShtolenSum = ShtolenKg*ShtolenPrice;
                double CandysPrice = MuffinsPrice+MuffinsPrice*0.80;
                double CandysSum = CandysKg*CandysPrice;
                double BiscuitsSum = BiscuitsKg*7.50;

                double FinalPrice = (ShtolenSum+CandysSum+BiscuitsSum);

                System.out.printf("%.2f", FinalPrice);
            }
        }