Gosh, you're right.
Assuming:
- 5,250 can stand front to back
- 3,500 side-by-side
- 750 on top of each other
That's more than 13 billion humans you could fit in said cube.
Assuming:
- 5,250 can stand front to back
- 3,500 side-by-side
- 750 on top of each other
That's more than 13 billion humans you could fit in said cube.