public class Arithmetic {
    public static void main(String args[]) {
        float a = 4.5f; // ���
        float b = 6.0f; // ����
        float c = 3.0f; // ���� 
        float s;
        
        System.out.println("Side = "+a+", "+b+", Height = "+c);         
        
        s = ( a + b ) * c / 2;
        System.out.println("Area = "+s); 
     }
}