Y add 0.198 mul mul mul sub add mul -29.900000000000002 x_1 mul 0.909 x_2 mul 0.2 x_4 add mul 21.0 x_4 add mul -75.9 x_4 mul 87.0 x_3 add mul 0.741 x_3 mul 0.41000000000000003 x_1 sin add -56.5 mul -99.9 x_0