For the following reaction: A(aq) + 2 B(aq) 2 C(aq) + 2 D(aq) Calculate the magnitude of Kc (don't report the units) assuming the following composition at equilibrium:

[A] = 0.625 mol L-1

[B] = 0.483 mol L-1

[C] = 0.226 mol L-1

[D] = 0.89 mol L-1