Y add -80.30000000000001 div mul x_4 mul add mul -7.22 mul abs add -0.14 mul 3.8000000000000003 x_1 x_2 mul -6.2 abs add -3.74 mul 4.84 x_0 sub mul -0.044 exp add 18.0 mul -8.26 x_3 mul 6.9 pow3 add mul 70.2 x_3 mul 8.77 x_2 x_3