Talen 870 till 876 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 870 | = | DCCCLXX | = | 500 + 100 + 100 + 100 + 50 + 10 + 10 |
| 871 | = | DCCCLXXI | = | 500 + 100 + 100 + 100 + 50 + 10 + 10 + 1 |
| 872 | = | DCCCLXXII | = | 500 + 100 + 100 + 100 + 50 + 10 + 10 + 1 + 1 |
| 873 | = | DCCCLXXIII | = | 500 + 100 + 100 + 100 + 50 + 10 + 10 + 1 + 1 + 1 |
| 874 | = | DCCCLXXIV | = | 500 + 100 + 100 + 100 + 50 + 10 + 10 + 5 − 1 |
| 875 | = | DCCCLXXV | = | 500 + 100 + 100 + 100 + 50 + 10 + 10 + 5 |
| 876 | = | DCCCLXXVI | = | 500 + 100 + 100 + 100 + 50 + 10 + 10 + 5 + 1 |