(2^3,5*3^5,5)/6^4,5=
(2^3.5 * 3^5.5) / 6^4.5 = (2^3.5 * 3^5.5) / (2^4.5 * 3^4.5) = (2^3.5 / 2^4.5) * (3^5.5 / 3^4.5) = 2^(3.5-4.5) * 3^(5.5-4.5) = 2^(-1) * 3^1 = 3/2 = 1.5