RectangleArea Java Advanced

package JavaSyntax;

import java.math.BigDecimal;
import java.util.Scanner;

public class P01_RectangleArea2 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        double sideA = scanner.nextDouble();
        double sideB = scanner.nextDouble();

        BigDecimal A = new BigDecimal(sideA);
        BigDecimal B = new BigDecimal(sideB);

        BigDecimal area = A.multiply(B);

        System.out.printf("%.2f", area);
    }
}