\[\left( \frac{2^{\backslash 3}}{5} + \frac{13}{15} \right) \cdot 6 = \frac{6 + 13}{15} \cdot 6 =\]
\[= \frac{19}{15} \cdot 6 = \frac{19 \cdot 2}{5} = \frac{38}{5} = \frac{76}{10} = 7,6.\]