Y add -0.176 add sub sub add mul 0.08700000000000001 x_4 sub mul 0.383 x_1 mul -4.8 x_0 mul -7.51 mul x_2 x_2 mul -0.9410000000000001 mul x_2 log add mul -1.3800000000000001 log add 97.7 mul 1.95 x_3 mul 1.68 pow2 add -7.7700000000000005 mul -28.200000000000003 x_0 mul 8.82 x_4