import java.util.Scanner;
public class Lab02_Task3A {
    public static void main(String[] args) {
        Scanner s = new Scanner(System.in);
        float l = s.nextFloat(), b = s.nextFloat(), h = s.nextFloat();
        float v = l*b*h;
        System.out.println("Volume = "+String.format("%.2f",v)+" units square.");
        
    }
}