Y add -68.60000000000001 add sub sub add mul -2.42 pow2 add 0.499 mul 1.28 x_4 mul 0.5670000000000001 x_2 add mul 2.8000000000000003 div mul x_0 x_7 sub mul 0.188 x_3 mul -5.13 x_5 sub mul 0.036000000000000004 tan add 0.549 mul -5.45 x_6 mul -0.835 x_0 mul 6.9 mul x_6 x_8 mul 4.01 x_1