What will come in the place of ''?' in the following question?

 \(\left[ {{{64}^{\frac{4}{3}}} \times {{\left( {\frac{5}{{20}}} \right)}^{ - \frac{5}{2}}} \times {{\left( {\frac{2}{{16}}} \right)}^{ - \frac{1}{3}}}\;}\right]\div 2 = ?\)