Y add 20.700000000000003 sub mul 0.36 div add mul 98.9 x_5 mul -81.2 x_4 mul x_6 sub mul 81.5 mul x_2 x_8 mul 0.17200000000000001 x_3 mul 6.6000000000000005 mul add sub mul 8.11 x_6 mul 67.8 x_1 mul 23.6 x_0 x_7