Cooper's Storage Shipping Company is working with a local business to package some office supplies. The supplies are packed into a cubic box with side lengths of 3 in. These boxes are then packed into a shipping container with dimensions of 18 in x 6 in x 4 1/2 in.

What is the volume of the cubic box? Show your work.

What is the volume of the shipping container? Show your work.

How many boxes of office supplies can be packed into the shipping container?
Show your work.