Y add 0.14200000000000002 div div mul sub mul 9.91 div add mul -5.5200000000000005 x_4 mul -0.721 x_5 x_3 mul -4.0600000000000005 x_2 x_7 mul sub mul -7.79 x_1 mul 14.4 pow2 add 73.7 mul -0.126 x_8 x_0 x_6