Y add 0.908 sub mul -6.45 x_4 add sub mul -0.034 mul x_5 div sub mul -6.8500000000000005 div div sin add -3.61 mul 8.700000000000001 x_8 sub mul -67.0 x_2 mul -0.538 x_6 x_0 mul -43.5 x_6 x_1 mul -0.648 div x_0 pow3 add 0.079 mul 66.2 x_3 mul -0.17500000000000002 x_7