These three numbers are 125 = 2^2 + 11^2 = 5^2 + 10^2, 130 = 3^2 + 11^2 = 7^2 + 9^2, 145 = 1^2 + 12^2 = 8^2 + 9^2. Their sum is 125 + 130 + 145 = 400. ANSWER