A rectangular wooden piece of dimensions $$8 cm \times 6 cm \times 5 cm$$ cut in to pieces of dimensions $$\frac{5}{4} cm \times \frac{3}{8} cm \times \frac{1}{4} cm$$.then the number of pieces are

A

$$2^{5}$$

B

$$2^{7}$$

C

$$2^{9}$$

D

$$2^{11}$$