V is 5. I is 1. VI is 6.
On converting between Arabic and Roman Numbers: DCCVI IN ROMAN NUMERALS is 706. DCC=700 and VI=6.
roman numarals are v,i ,x,c and some other stuff with represent numbers
XII
in roman X
Your answer is XXI
L
538
CCCLXII
1 = I
XII
DCC
CXXVI