Y add -90.7 sub mul -0.47700000000000004 mul add mul 54.400000000000006 x_6 add mul -0.5640000000000001 x_2 mul -6.4 mul x_4 add mul -34.7 mul x_3 mul x_8 add mul -22.200000000000003 x_7 mul 65.7 x_8 mul -0.878 mul x_5 x_0 x_0 mul 12.700000000000001 x_1