The employer asked the candidate

While taking the interview, the employer asked the candidate:

Employer: So, how long did you work during your’e last job?

Candidate: 30 years

Employer: oh, you look young how old are you

Candidate: 20 years old

The employer was surprised and asked the candidate how she worked 30 years and has only been living for 20 years??

Candidate: Overtime!