Y add -1.3900000000000001 mul x_7 sub add mul 6.37 x_0 sub mul -6.390000000000001 inv add 5.49 mul -3.59 mul x_6 x_1 add mul -0.98 x_2 mul 0.728 x_2 add mul -43.7 div x_5 add mul -83.9 abs sub mul -64.9 x_8 add mul -6.59 abs add 17.8 mul 4.32 x_4 mul -0.331 x_3 mul -1.4000000000000001 tan add -0.746 mul 88.0 x_7 mul 6.82 x_2