The internal and external radii of a hollow spherical shell are 4 cm and 8 cm, respectively. It is melted and recast into a solid right circular cylinder of height \(9 \frac{1}{3}\) cm. What is curved surface area (in cm2) of the cylinder?
1
\(\frac{448}{3}\) π
2
\(\frac{896}{3}\) π
3
168 π
4
112 π