DCC = 500+100+100 = 700
MCMLXVII.
In Roman numerals: ((MM)) = 10,000*2000 = 20,000,000
M = 1000 D = 500 C = 100 L = 50 X = 10 V = 5 2886 = MMDCCCLXXXVI
MCCC (1000+100+100+100 = 1300)