Y add -0.485 sub mul 82.10000000000001 div add sub add mul -0.513 inv add 24.400000000000002 mul -10.5 x_4 mul 0.933 x_0 mul 9.1 x_3 mul -8.6 tan add 1.9100000000000001 mul -2.6 x_4 sub mul 31.8 div tan add 85.80000000000001 mul 9.84 x_4 div pow3 add 51.1 mul 0.773 x_2 x_3 mul -0.744 x_2 mul 70.4 x_1