Y add -69.2 sub mul 0.049 x_5 mul -30.900000000000002 div mul sub mul 0.449 x_7 add mul 6.3500000000000005 div div x_6 x_0 div x_0 x_8 sub add mul 66.4 x_4 mul 9.790000000000001 x_1 add mul 9.84 x_8 mul 1.6 x_9 sub mul 8.31 x_3 mul 2.57 x_2 x_0