\[\left( 2\frac{3^{\backslash 5}}{4} + 2\frac{1^{\backslash 4}}{5} \right) \cdot 16 =\]
\[= 4\frac{15 + 4}{20} \cdot 16 = \frac{99}{20} \cdot 16 =\]
\[= \frac{99 \cdot 4}{5} = \frac{396}{5} = 79\frac{1}{5} = 79,2.\]