driver function
int main ( ) { double l = 1 ; double h = 5 ; double w = 7 ; cout << " Area ▁ = ▁ " << areaCuboid ( l , h , w ) << endl ; cout << " Total ▁ Surface ▁ Area ▁ = ▁ " << surfaceAreaCuboid ( l , h , w ) ; return 0 ; }