Y add 21.400000000000002 mul div exp add 0.739 mul -4.65 x_8 x_0 add add mul -40.300000000000004 x_4 add add mul -0.231 mul x_1 x_7 mul -0.866 x_3 mul 63.300000000000004 x_2 mul -0.92 div x_5 tan add -0.271 mul -0.585 x_6