Well, all the gold in the world is a cube 21m on a side. (see http://en.wikipedia.org/wiki/Gold http://en.wikipedia.org/wiki/Gold ) So this is 8 times as much a

Well, all the gold in the world is a cube 21m on a side. (see http://en.wikipedia.org/wiki/Gold http://en.wikipedia.org/wiki/Gold ) So this is 8 times as much as all the gold in the world. Which seems like a lot.