There is not a Roman numeral for 300 or 90, so you need to partition this further, thinking about the Roman numerals you have to choose from. 361 is written as CCCLXI in Roman numerals.

Super Bowl week is back, which means Roman numerals are once again at the forefront of the public consciousness. As one of the only institutions that still uses Roman numerals, the NFL's choice ...

But the league doesn't use just any numbers. It uses Roman numerals, a rarely used counting system introduced thousands of ...