Simplify
(2x^5 y*8)^2 2^2 * x^(5*2) * y^(8*2) 4 x^10 y^16 4y^6
___________ = _____________________ = _____________ = ______
(5x^6 y^5)^2 5^2 * x^(6*2) * y^(5*2) 25 x^12 y *10 25 x^2
