4

package FirstStepsInCoding.Exc.lab;

import java.util.Scanner;

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

        int str = Integer.parseInt(s.nextLine());
        double strCh = Double.parseDouble(s.nextLine());
        int brD = Integer.parseInt(s.nextLine());

        double oV = str / strCh;
        double nCh = oV / brD;

        System.out.printf("%.1f", nCh);





    }
}