If two cubes of dimensions 3 cm by 3 cm by 3 cm are placed side by side, then the resulting dimension of the cuboid is length (l), breadth (b) and height (h). Find the value of l+b+h (in cm).
If three cubes of dimensions 3 cm by 3 cm by 3 cm are placed side by side, what would the dimensions of the resulting cuboid be?