Find the Product $$\left( 4 m ^ { 2 } \right) \left( 3 m ^ { 2 } \right)$$

Multiple Choice

Find the product.
- $$\left( 4 m ^ { 2 } \right) \left( 3 m ^ { 2 } \right)$$

A) $- 12 \mathrm {~m}$
B) $12 m ^ { 4 }$
C) $- 12 m ^ { 4 }$
D) $12 \mathrm {~m}$