Y add -8.0 mul sub mul -73.60000000000001 x_4 mul -2.15 x_7 sub mul -18.6 x_8 add sub add add mul 2.7600000000000002 x_3 sub mul 5.29 x_5 mul -6.7700000000000005 x_0 mul -0.26 x_2 mul -9.99 x_6 mul -3.63 x_1