Y add -98.60000000000001 div sub sub mul 4.23 x_3 mul -1.76 mul div pow3 sub mul 0.77 log add 16.7 mul 3.44 x_4 mul -4.14 mul x_0 x_3 pow3 add -0.423 mul -0.274 x_1 tan add -0.6950000000000001 mul 0.331 x_3 sub mul 23.700000000000003 x_2 mul -1.8800000000000001 x_4 x_0