Click the Green Flag. Cat will ask you for a Radius and a Height and they will tell you the Volume of the Cylinder and then the Surface Area of the Cylinder.
What other 3D Shapes can you make a project for to calculate Volume and Surface Area? Which parts of the coding (if any) can you use or modify for this new project? Look at this project to see where class discussions led us to code: https://scratch.mit.edu/projects/673059985/