If you are working a full-time job, so 40 hours a week, sleeping eight hours a night, so 56 hours a week -- that leaves 72 hours for other things.
Ako radite posao na puno radno vrijeme, dakle 40 sati na tjedan, spavati osam sati na noć, dakle 56 sati na tjedan -- to vam ostavlja 72 sata za druge stvari.