Y add -83.60000000000001 sub mul 0.243 x_6 add mul -2.09 div add mul 56.5 exp sub mul -40.6 div abs add 8.9 mul -0.41600000000000004 x_5 exp add 0.79 mul 0.153 x_3 mul 7.46 x_4 mul -8.06 x_8 sub mul -3.5 x_7 mul 1.61 exp add 0.8320000000000001 mul 3.18 x_0 sub mul -5.5600000000000005 x_2 mul 6.71 x_1