Roman numerals

Write numbers written in Roman numerals as decimal.


CMXIV =  914
MMXX =  2020
MMDCCLXI =  2761
MCDXCVI =  1496
CMLXXV =  975
MMCXXXV =  2135
DCCCVI =  806


CMXIV = 914
MMXX = 2020
MCDXCVI = 1496
CMLXXV = 975
MMCXXXV = 2135
DCCCVI = 806

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