Y add 56.0 add mul -0.734 mul x_6 mul x_2 div add mul -0.677 x_7 mul -34.300000000000004 div div sub mul 81.0 x_3 mul -54.400000000000006 cos sub mul 9.85 mul x_2 x_1 mul 21.200000000000003 x_5 x_7 div x_8 x_0 x_0 mul 5.7700000000000005 x_4