Y add 0.66 add mul -0.023 log add 6.48 mul -4.7700000000000005 x_4 mul 0.489 mul x_3 mul sub sub mul -0.669 mul abs add -0.6000000000000001 mul 0.106 x_0 x_2 mul -3.0500000000000003 x_1 mul 0.99 x_4 x_2