Java 代码

/** 4 MDKJ
...the internet is going to be one of the major forces for reducing the role of government. 
The one thing that’s missing but that will soon be developed, is a reliable e-cash. 
-- Milton Friedman
*/

import java.util.Scanner;

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

        int num = cin.nextInt();
        int hr = cin.nextInt();
        double sa = cin.nextDouble();

        System.out.println ("NUMBER = " + num);
        System.out.println ("SALARY = U$ " + String.format("%.2f", sa * hr));
    }
}