Y add 5.97 mul x_3 sub mul 81.10000000000001 tan add -3.91 mul 9.24 div div x_0 tan add 3.38 mul -87.80000000000001 x_1 x_3 sub mul 0.5700000000000001 mul div div x_2 x_0 div x_5 x_4 x_2 mul -0.891 x_3