Y add 81.7 div cos add 73.3 mul -5.09 x_5 add add mul -68.7 x_2 mul -0.77 mul div inv add -4.0 mul 68.5 mul x_1 log add 68.9 mul 29.900000000000002 x_3 x_3 mul x_0 x_4 add mul 1.76 x_2 mul 3.8000000000000003 x_3