Y add -73.5 sub mul -4.1 x_5 sub add mul 3.7600000000000002 div div tan add 3.49 mul -0.634 x_4 x_1 tan add -0.661 mul -6.98 x_2 mul 8.43 x_0 add mul 18.5 x_3 mul -72.9 inv add 7.05 mul -62.300000000000004 x_0