I think it's 267
Improved Answer:-
It is 267 because CCLXVII = 100+100+50+10+5+2 = 267
They represent 267 in Hindu-Arabic numerals
The Roman numerals LXVII=67 in Hindu Arabic numerals.
The Roman numerals of CCX are the equivalent of 210 in Hindu-Arabic numerals.
The Roman numerals of DCCC are the equivalent of 800 in Hindu-Arabic numerals
The Roman numerals of XX are the equivalent of 20 in Hindu-Arabic numerals
They represent 267 in Hindu-Arabic numerals
Hindu Arabic numerals are the ones we use. 39 is already in Hindu-Arabic numerals.
The Roman numerals LXVII=67 in Hindu Arabic numerals.
The Roman numerals of CCX are the equivalent of 210 in Hindu-Arabic numerals.
The Roman numerals of DCCC are the equivalent of 800 in Hindu-Arabic numerals
The Roman numerals of XX are the equivalent of 20 in Hindu-Arabic numerals
437 is already in Hindu-Arabic numerals
dcccxiii in Roman numerals is equivalent to 813 in Hindu-Arabic numerals.
The Roman numerals of XXVIII are the equivalent of 28 in Hindu-Arabic numerals
12629 is already written in Hindu-Arabic numerals.
According to my calculations,mccxxix in Hindu Arabic numerals is 1229
The Roman numerals of MCC are the equivalent of 1200 in Hindu-Arabic numerals