The Roman numeral “III” represents the number 3. In Roman numerals, “I” stands for 1, so when you have three of them in a row (III), it simply adds up to 3.

Here are the Roman numerals for the numbers 1 through 10:

1. I
2. II
3. III
4. IV (4 is represented as IV, which is 5 minus 1)
5. V
6. VI (6 is represented as 5 plus 1)
7. VII (7 is represented as 5 plus 2)
8. VIII (8 is represented as 5 plus 3)
9. IX (9 is represented as 10 minus 1)
10. X

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