Y add 19.0 div sub add mul -5.61 cos add 84.10000000000001 mul 88.60000000000001 x_3 sub mul -4.2700000000000005 x_3 mul 8.78 x_2 mul -86.60000000000001 mul sub mul 4.17 div x_4 x_3 mul 0.856 x_0 x_3 x_1