What is the simplified value of the following?
$$\frac{9\div\frac{3}{7}of\left(9+6\times \overline{4-2}\right)+\left[\frac{1}{5}\div\frac{7}{25}-\left\{\frac{5}{8}+\frac{6}{16}\right\}\right]}{24\div\overline{16-10+36\div\left(5+20\div4-1\right)}}$$

A

$$\frac{40}{7}$$

B

$$\frac{51}{56}$$

C

$$\frac{5}{56}$$

D

$$\frac{7}{40}$$