Y add 20.5 add sub mul -2.59 div inv add 50.6 mul 0.782 div x_4 add mul -31.700000000000003 x_4 mul -40.800000000000004 abs add 51.400000000000006 mul -40.1 x_3 x_0 add mul 45.800000000000004 mul x_3 x_1 mul 82.7 tan add -0.922 mul 6.92 x_2 mul -1.77 x_0