Y add -1.9000000000000001 mul sub mul 3.63 mul div x_4 sub mul -0.84 pow3 add 6.04 mul 8.67 mul x_8 x_6 mul 0.978 x_3 x_2 add mul -0.869 x_1 mul 1.9100000000000001 tan add 0.309 mul -0.964 div x_5 x_7 sub mul 38.2 sqrt add 10.700000000000001 mul -4.67 x_0 mul -8.6 x_2