A wooden toy is a shape of a cuboidal wooden block of dimensions 23\( \ cm \times\) 18\(\ cm \times \) 8\(\ cm\). On its top there are seven cylindrical hollows for bees to fit in. Each cylindrical hollow is of height 6\( \ cm\) and radius 3\( \ cm\).
Based on the above information, solve the following questions:
1. Find the volume of wood carved out to make one cylindrical hollow.
2. Find the lateral surface area of the cuboid to paint it with green colour.
3. Find the volume of wood in the remaining cuboid after carving out seven cylindrical hollows.
4. Find the surface area of the top surface of the cuboid to be painted yellow.