Simplify the following expression.
$$\frac{(375 + 125)^2 - (125 - 375)^2}{375 \times 375 - 125 \times 125}$$

A

$$\frac{15}{8}$$

B

$$\frac{3}{2}$$

C

$$\frac{27}{28}$$

D

$$\frac{3}{4}$$