\[- \frac{1}{3}a^{2}bc \cdot ( - 15)ab^{2}c \cdot 0,2abc^{2} =\]
\[= 1 \cdot a^{2 + 1 + 1}b^{1 + 2 + 1}c^{1 + 1 + 2} =\]
\[= a^{4}b^{4}c^{4}.\]