Y add -0.293 sub mul -1.67 mul pow2 add -69.7 mul 31.200000000000003 div x_2 x_1 sub mul -0.303 exp add -35.1 mul -66.8 x_2 mul -0.8260000000000001 x_2 sub mul 0.75 pow3 add mul -3.02 abs add 4.87 mul -0.47800000000000004 x_0 mul -9.91 x_3 mul -0.869 x_2