Y add 63.5 sub mul 73.5 mul mul mul mul x_3 sub mul 0.8 x_7 add mul 0.8290000000000001 x_0 mul -1.4000000000000001 x_1 x_4 x_8 x_2 mul 5.43 div x_3 mul sub add mul -0.985 x_8 mul -80.2 x_7 mul 74.10000000000001 div x_6 x_5 x_4