Y add 0.198 sub sub sub mul 81.4 pow2 add 0.12 mul -0.979 x_0 mul -0.3 div div tan add 0.539 mul -28.3 div add mul 46.1 x_0 mul 7.2700000000000005 x_2 x_3 x_1 x_2 mul -81.60000000000001 x_2 mul -0.9410000000000001 x_0