Y add -23.1 add mul 99.9 x_3 sub add sub mul 0.211 x_0 mul 0.361 x_4 mul 8.13 x_5 mul 6.45 mul x_8 add mul -6.53 x_6 add sub mul 0.1 tan add 0.758 mul -4.16 x_7 mul -38.0 x_2 mul -0.6940000000000001 x_1