Calcium oxide and carbon dioxide react to form calcium carbonate, like this: CaO(s) + CO2(g) → CaCO3(s)

At a certain temperature, a chemist finds that a reaction vessel containing a mixture of calcium oxide, carbon dioxide, and calcium carbonate at equilibrium has the following composition:

Compound Amount
CaO 37.7 g
CO2 29.0 g
CaCO3 60.2 g

Calculate the value of the equilibrium constant Kc for this reaction.