Y add 4.2 sub mul -0.9510000000000001 div x_8 x_5 add add mul -6.71 x_0 sub mul 0.47000000000000003 div x_7 mul add mul 0.41600000000000004 div x_3 x_1 mul -0.86 x_1 sub mul 67.5 div x_2 x_6 mul 0.772 x_6 mul 2.79 x_0 mul -31.700000000000003 x_4