\[\frac{8^{14} \cdot \left( 8^{4} \right)^{6}\ }{\left( 8^{5} \right)^{7} \cdot 8} = \frac{8^{14} \cdot 8^{24}}{8^{35} \cdot 8} = \frac{8^{38}}{8^{36}} =\]
\[= 8² = 64\]