Y add -72.3 mul mul x_4 mul sub mul -36.0 x_1 mul 0.6900000000000001 x_2 mul log add 42.7 mul 5.07 x_3 cos sub mul -3.72 x_0 mul 18.5 x_2 add mul 0.10400000000000001 x_4 mul -3.7600000000000002 cos add 6.800000000000001 mul 0.339 x_0