Y add 99.80000000000001 mul add mul -0.47100000000000003 x_6 mul -86.7 x_5 add mul -43.5 x_8 sub mul 0.362 x_4 mul 80.80000000000001 div add mul 0.669 x_7 sub mul 0.99 pow3 add -1.84 mul 84.4 div x_2 add mul -4.24 pow2 add 4.73 mul 0.717 x_3 mul -4.03 x_1 mul -2.5 tan add -0.5 mul 0.046 x_1 x_0