Y add -0.533 mul pow3 add mul -0.899 x_0 mul 80.5 x_1 sub mul 22.400000000000002 div pow3 add -37.0 mul 40.2 x_2 add mul -0.858 exp add -0.978 mul 20.200000000000003 x_0 sub mul 39.7 x_1 add mul 9.49 x_1 mul -0.506 pow3 add -6.45 mul -0.857 x_3 mul 0.435 x_4