Y add 64.9 sub mul -2.07 mul mul div add mul 0.265 div exp sub mul 6.0 x_4 mul 9.0 x_5 x_1 sub mul 67.3 x_4 mul -86.4 div mul x_0 div mul x_3 x_2 pow3 add 8.69 mul -9.49 x_6 x_1 x_8 cos add 0.9570000000000001 mul -0.8280000000000001 x_0 x_7 mul -22.5 tan add 62.800000000000004 mul 7.800000000000001 x_8