Why doesn't he just do:
(Desired Daily Volume / 54.54)
Or even easier to remember: (Desired Daily Volume / 55) (Desired Daily Volume / 54.54)
Or even easier to remember: (Desired Daily Volume / 55)SECONDS_IN_DAY = 60 * 60 * 24
The individual components have some meaning that loses clarity when we just write the result of the calculation
I also sing the alphabet song (in my head) when I want to know which is the 19th letter of the alphabet.