Money

import java.util.Scanner;

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

        int bitcoin = Integer.parseInt(scanner.nextLine());
        double cny = Double.parseDouble(scanner.nextLine());
        double commissionRate = Double.parseDouble(scanner.nextLine());

        int bitcoinToLv = bitcoin * 1168;
        double cnyToUsd = cny * 0.15;
        double cnyToLv = cnyToUsd * 1.76;

        double euro = (bitcoinToLv + cnyToLv) / 1.95;

        double commission = euro * (commissionRate / 100);

        double result = euro - commission;

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

    }
}