Simplify the folowing expression.
$$(\frac{1}{2}\times\frac{1}{2}\times\frac{1}{2})+(\frac{3}{2}\times\frac{3}{2}\times\frac{3}{2})+(6\times6\times6)+3(\frac{1}{2}+\frac{3}{2})(\frac{1}{2}+6)(6+\frac{3}{2})$$

A

521

B

64

C

512

D

256