\[6^{3}\ :3^{2} + 2^{5} =\]
\[= 6 \cdot 6 \cdot 6\ :(3 \cdot 3) + 2 \cdot 2 \cdot 2 \cdot 2 \cdot 2 =\]
\[= 36 \cdot 6\ :9 + 32 =\]
\[= 216\ :9 + 32 = 24 + 32 = 56\]