Y add -3.27 mul sub mul -0.257 div mul exp add 68.7 mul 0.912 x_4 div sub add mul 0.501 pow3 add -4.64 mul 61.7 x_1 mul -33.9 x_4 mul 4.66 sin add -3.8000000000000003 mul 55.7 x_4 cos sub mul -0.77 x_0 mul 95.7 x_3 x_0 mul -50.900000000000006 x_1 x_2