#include <iostream>

	using namespace std;

	int AreaCube(int length, int width = 25, int height = 1);
	int main()
	{
		int length = 100;
		int width = 50;
		int height = 2;
		int area;

		area = AreaCube(length, width, height);			// 100 * 50 * 2
		cout << "First area equals: " << area << endl;

		area = AreaCube(length, width);					// 100 * 50 * 1
		cout << "Second time area equals: " << area << endl;

		area = AreaCube(length);						// 100 * 25 * 1
		cout << "Third time area equals: " << area << endl;
		return 0;
	}

	int AreaCube(int length, int width, int height)
	{
		return (length * width * height);
	}