TriangleArea

package firstStepsInCoding.MoreExercises;

import java.util.Scanner;

public class TriangleArea {
    public static void main(String[] args) {
        Scanner scanner= new Scanner(System.in);
        double a =Double.parseDouble(scanner.nextLine());
        double h =Double.parseDouble(scanner.nextLine());
        double result =(a*h)/2;
        System.out.printf("%.2f",result);
    }
}