Whoa. Add ALL of those numbers?

Lucian glanced down at his parchment, where for a reason he jotted down the numbers being shouted out, but he'd missed most of them. He ruffled his hair and glanced around. This dude was serious, huh?

Okay... Lets see...

Well. That...didn't look right. Lucian chewed on the tip of his quill. M'no. The number on his parchment was too big. Impossible. Yet, he raised his hand. "Erm, well, it has to be around the million-billion-gazillion...?" A hint to the one adding them all up. His eyes darted to the Gryffindor girl who'd said that, then he looked at the professor like: Is that even possible?