Find the Product $$\left( 4 z ^ { 3 } \right) \left( 6 z ^ { 3 } \right)$$

Find the product. $$\left( 4 z ^ { 3 } \right) \left( 6 z ^ { 3 } \right)$$

A) $24 z ^ { 9 }$
B) $24 z ^ { 6 }$
C) $10 z ^ { 9 }$
D) $4 ^ { 3 } \cdot 6 ^ { 3 } z ^ { 6 }$
E) $10 z ^ { 6 }$