Drainage.java
package shapes;

public class Drainage {
    public static void main(String[] args){

        SRectangle topTable = new SRectangle(9, 8);
        System.out.println("top table area = " + topTable.area());

        SRectangle bottomTable = new SRectangle(7, 12);
        System.out.println("bottom table area = " + bottomTable.area());

        SRectangle longerBoard = new SRectangle(12, (5.5/12));
        System.out.println("longer board area = " + longerBoard.area());

        SRectangle longBoard = new SRectangle(8, (5.5/12));
        System.out.println("long board area = " + longBoard.area());
        System.out.println(longerBoard.area());

        double tableAres = topTable.area() + bottomTable.area();
        System.out.println("both table area = " + tableAres);

        double longerBoardArea = longerBoard.area() * 15;
        System.out.println("all longer board area = " + longerBoardArea);

        double longBoardArea = longBoard.area() *19;
        System.out.println("all long board area = " + longBoardArea);

        double drainageArea = (tableAres - (longerBoardArea + longBoardArea));
        System.out.println("Drainage Area = " + drainageArea);
    }
}