ye they probably mean man hours, as in ok 1 person may spend 5 hours a day working, but if there are 3 others with them working 5 hours too, its 20 man hours... get it?
and still havn't matured a bit I think you took the being a kid forever to seriously , all state all the way they've got so many programs that its pretty right in front of you face I like them alot .