Y add -0.661 mul x_1 add mul -8.5 tan add 8.53 mul -9.28 x_0 add add mul -0.912 abs add 0.327 mul 21.5 x_3 mul 0.511 tan add -0.89 mul -5.42 x_2 sub sub mul 14.5 x_1 mul 0.34400000000000003 x_2 mul -6.34 x_0