Y add 37.90 div x_0 sub mul 74.40 div div sub mul 0.61 div add mul 0.21 x_0 mul -0.56 div pow3 add -8.17 mul -8.48 x_4 x_3 pow3 add 0.00 mul -0.98 x_2 mul 0.62 x_4 x_3 log add 87.10 mul 21.70 x_1 mul -7.89 x_4