[arandomusername]

Difficult math? You just have to multiply 2s until you reach >56mil, and you can just round up (i.e 16k -> 32k -> 64k).

[nitwit005]

Difficult enough to need some time to think, yes.

If it was trivial, there'd be no point in asking.

[arandomusername]

Few minutes maybe.

It's a beginning question to get you warmed up.