Simplify the given expression.

$$\cfrac{(3.254 \times 3.254 \times 3.254) - (0.746 \times 0.746 \times 0.746)}{(3.254 \times 3.2.54) + (0.746 \times 0.746) + (3.254 \times 0.746)}$$

A

3.156

B

4.508

C

2.146

D

2.508