Y add 8.5 div x_7 add mul 5.54 mul div add mul 7.0 x_3 sub mul -7.0200000000000005 cos add mul -3.74 x_5 mul -11.200000000000001 x_1 mul 0.181 x_8 div x_2 x_6 mul add mul -26.400000000000002 x_8 mul -4.05 x_9 mul x_1 x_4 mul 0.338 x_0