Y add -3.9000000000000004 sub mul 1.34 mul x_6 mul add mul -0.017 x_4 add mul 87.60000000000001 x_8 sub mul 84.5 x_0 mul -3.2600000000000002 x_2 x_5 sub mul -1.0 x_5 add add mul 1.5 sqrt add 0.47900000000000004 mul -0.223 x_3 add sub add mul -0.535 x_1 mul 3.3200000000000003 x_7 mul -9.47 x_3 mul -64.5 x_2 mul 9.57 x_8