Y add -1.28 div div add mul -0.02 x_4 add mul 0.516 x_0 mul 81.2 div sub mul 0.364 x_7 mul -0.07100000000000001 mul x_8 sub mul -8.42 x_5 add mul -5.7700000000000005 pow2 sub mul -4.15 mul x_6 x_7 mul 1.45 x_1 mul -7.6000000000000005 x_0 x_1 x_3 x_2