Y add -2.56 sub mul -7.87 x_0 sub mul -0.397 mul pow2 add -6.68 mul -81.10000000000001 x_1 tan add 4.4 mul -12.4 x_2 add mul 0.786 abs add -0.015 mul -86.0 x_4 mul 0.371 tan add mul 0.359 mul x_1 x_4 mul 0.036000000000000004 x_3