It means: CCCLXXX = 380
The Arabic number for ccclxxx is 380. Easy peasy lemon squeezy. Next time, just ask for the number straight up instead of playing Roman numeral mind games.
CCCLXXX
This is not a valid roman numeral!
It is: 5 = V as a Roman numeral
LXXVI is the Roman numeral for 76.
The Roman numeral of DXIII is equivalent to 513
You mean Roman Numeral? It is XVI
The roman numeral M represents the number 1000.
The Roman numeral CCLXVI represents the number 266
The Roman numeral CXXXVI represents the number 136
The Roman numeral MCMXC represents the number 1990
The Roman numeral MCMLXXII represents the number 1972