Y add -0.20400000000000001 add mul 53.1 div sub sub sub mul 63.900000000000006 x_3 mul 6.23 x_4 sub mul -0.838 x_1 mul 0.03 x_2 add add mul -0.428 x_2 mul 31.1 x_2 mul -56.900000000000006 cos add 0.39 mul -0.4 x_0 x_3 mul -32.6 x_3