/*
1. 宣告3個 lon; 整數, 印出三數乘積
2. 宣告3個 double 小數, 印出三數乘積
*/
public class HW3 {
  public static void main (Strings [] args) {
    long a = 920;
    long b = 1000;
    long c = 1500;

    long sum = a * b  c;

    System.out.println(sum);

    double e = 99.3;
    double f = 50.5;
    double g = 10.77;

    double sum1 = e * f  g;

    System.out.println(sum1;
  }
}