Y add -0.8300000000000001 sub mul -3.0300000000000002 mul x_4 div mul div sub mul -63.7 x_2 mul 57.400000000000006 mul x_6 x_7 x_8 div mul div mul x_7 mul x_9 x_0 x_8 x_5 x_3 x_1 mul -0.305 mul x_2 x_7