Y add 0.767 mul abs add 0.116 mul -3.63 x_0 mul div x_4 mul x_2 abs add -81.0 mul -0.61 x_0 add mul -60.900000000000006 mul sub mul -0.6890000000000001 x_1 mul -0.248 tan add 85.4 mul 86.10000000000001 x_0 inv add 21.1 mul 45.7 x_1 mul 0.63 x_3