The result represents the person's age.
Age is calculated by subtracting the birth year from the current year. This gives the total number of years a person has lived. This calculation assumes the person has already celebrated their birthday in 2026. If their birthday has not occurred yet, their age would be 17 instead of 18.
We can verify using reverse calculation:
The values match, so the calculation is correct.
| Birth Year | Current Year | Calculated Age |
|---|---|---|
| 2008 | 2026 | 18 years |
If a student was born in 2008 and the current year is 2026, they will be 18 years old if their birthday has already passed. If their birthday is later in the year, they will still be 17 until that date.
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