\[0,27a^{3}b^{2}c^{6} \cdot 3\frac{1}{3}a^{2}b^{5}c^{12} =\]
\[= \frac{27}{100} \cdot \frac{10}{3}a^{5}b^{7}c^{18} =\]
\[= 0,9a^{5}b^{7}c^{18}\]