Y add 72.0 sub add mul 65.2 x_0 add mul -0.618 mul pow2 add -0.38 mul 59.400000000000006 x_4 sub add mul -37.0 x_2 mul 12.700000000000001 x_0 mul -0.246 x_1 mul -82.80000000000001 x_1 mul -66.2 inv add mul -0.56 x_2 mul 77.4 x_3