Y add 56.0 div x_1 sub mul -0.113 x_4 mul 20.0 mul sub sub mul 4.0 x_3 add sub mul 0.996 mul div x_4 exp add 9.89 mul -0.6950000000000001 x_5 x_0 mul -86.30000000000001 x_6 mul -88.10000000000001 x_8 sub mul -0.854 x_1 mul -2.77 x_2 add mul 0.521 x_7 mul 52.800000000000004 x_7