Y add 48.0 div exp add 3.1 mul 11.5 x_0 add mul -0.269 x_3 mul -8.34 div pow2 add -8.56 mul -0.673 mul abs add 0.499 mul 0.08600000000000001 x_2 x_1 add mul -7.74 x_0 mul -62.0 log add 4.2700000000000005 mul -2.0 x_1