Y add 76.9 sub mul 0.385 inv add mul -5.15 x_8 mul -6.890000000000001 x_1 mul -10.700000000000001 div x_6 mul div x_5 x_3 mul add mul 0.8170000000000001 x_2 sub mul 0.17500000000000002 x_4 mul -0.903 exp add -6.72 mul 69.5 x_0 x_7