Question 561928
Okay. So, this is a bit of dimensional analysis.

There are 365 days in a year, or 365.25 if you want to be exact (because of leap years, there is a quarter day added each year) There are 24 hours in a day.

Thus

7.5*365.25*24=65745 Hours
(That is WITH THE QUARTER OF A DAY PER YEAR)

7.5*365*24=65700 Hours