An artificial fore-arm has a moment-of-inertia around the center of mass as 0.3kg.m2. The mass of the artificial fore-arm is 3 kg. If the distance from the elbow joint to the center of mass of the fore-arm is 20 cm, the moment-of-inertia of the fore-arm about the elbow joint is ________ kg.m2. Give your answer rounded off to two decimal places.