Consider the two similar spheres shown. The smaller sphere has radius $3$ cm while the larger sphere has a radius of 12 cm.


Find the volume of Sphere A, in simplest exact form.
Please directly answer the question and provide the final value, e.g., 1, 2.5, 300.
Question: Consider the two similar spheres shown. The smaller sphere has radius $3$ cm while the larger sphere has a radius of 12 cm.


Find the volume of Sphere A, in simplest exact form.
Please first conduct reasoning, and then answer the question and provide the final value, e.g., 1, 2.5, 300, at the end.
Question: Consider the two similar spheres shown. The smaller sphere has radius $3$ cm while the larger sphere has a radius of 12 cm.


Find the volume of Sphere A, in simplest exact form.