Y add -63.20 add sub add add add mul -0.45 tan add -0.33 mul -0.32 x_4 mul 0.54 x_2 mul -28.40 x_3 mul -0.87 pow3 add -0.60 mul 25.50 x_0 mul -0.78 x_2 mul -0.40 abs add mul -0.87 x_1 mul 43.40 exp add 18.50 mul -68.60 x_1