Y add 11.5 add mul -1.6500000000000001 x_7 sub sub mul 0.47300000000000003 mul mul x_4 x_4 sub mul -0.267 mul x_6 div mul x_2 x_0 x_1 mul -0.898 x_6 add mul -65.10000000000001 x_3 mul -8.46 x_5 mul 0.155 div x_5 x_8