Y add -0.41200000000000003 sub mul 9.78 cos add -18.400000000000002 mul -28.900000000000002 mul x_3 add mul -1.71 x_2 mul -6.66 x_4 mul -4.0 pow3 add mul 3.08 abs add -0.93 mul -78.80000000000001 x_1 mul -83.5 x_0