Y add 0.201 sub add mul 6.0200000000000005 x_0 sub mul 7.8 x_1 mul 2.2800000000000002 x_7 sub add mul 68.0 inv add 0.231 mul -9.92 x_6 mul -3.72 x_5 add mul -0.558 mul x_2 inv add -7.65 mul 9.15 x_3 mul -7.2 x_4