a/b=c

public class Campus {

    public static void main(String[] args) {
        System.out.println("num 1");
        double a = new java.util.Scanner(System.in).nextDouble();
        System.out.println("num 2");
        double b = new java.util.Scanner(System.in).nextDouble();
        System.out.println((double)(a / b));
    }
}