(-2ab^5/3)^3 * 18a^5b
(-8a^3b^15/27) * 18a^5b
-8a^3b^15 * 18a^5b / 27
-144a^8b^16 / 27
-16a^8b^16 / 3
(-2ab^5/3)^3 * 18a^5b
(-8a^3b^15/27) * 18a^5b
-8a^3b^15 * 18a^5b / 27
-144a^8b^16 / 27
-16a^8b^16 / 3