Y add 0.618 sub add mul 8.5 x_4 sub mul 9.790000000000001 x_3 mul -7.45 x_3 mul -5.3100000000000005 mul pow2 add -5.3500000000000005 mul -46.2 x_0 div sub mul 0.091 x_1 mul -0.812 mul x_5 sin add -67.0 mul 76.60000000000001 x_1 div sub mul -4.04 x_2 mul 81.4 x_2 x_4