Y add 6.18 add sub sub sub mul 0.7000000000000001 mul add sub mul 8.66 x_4 mul -81.0 x_7 mul -2.46 x_1 x_5 mul -0.17200000000000001 x_7 add mul 0.802 x_8 add mul 0.8300000000000001 x_2 mul 23.0 x_3 mul 9.81 x_6 mul 78.60000000000001 x_0