There is an infinite number of variables in the operation.
The first approaches the controller and says:
I have 320 kilobytes.
The controller discloses. Suitable for the second:
I have 160 kilobytes.
The controller gives. The Third:
I have 80 KB.
Controller: "Everything, we’ve got it, there’s 640 kB at all and don’t fuck it".
That controller was Bill Gates.