I assume you mean fortnight? haha
Anyway, to answer this question, we need to have prior knowledge of time measurements. You should know that there are 60 seconds in a minute, 60 minutes in an hour, and 24 hours in a day.
Therefore, if a fortnight is 14 days, we should multiply 14 by 24 to work out how many hours there are:
14 × 24 = 336 hours
Now, we should multiply 336 by 60 to work out the number of minutes:
336 × 60 = 20,160 minutes
And finally, we just need to multiply 20,160 by 60 again to work out the number of seconds:
20,160 × 60 = 1,209,600 seconds
And there you go! Your final answer is 1,209,600 seconds.