umass gets the academic year rolling

I'm awaiting the results of this world-record-breaking attempt, which took place today. The previous record for longest sushi roll is 330 feet.

Surely there is a math problem in here somewhere. Post your suggestions as a comment!

UMass looks to break sushi roll record
The University of Massachusetts is celebrating the start of the academic year with an attempt to make the world’s largest sushi roll. Three-hundred volunteers, along with celebrity chefs, will try to build the 400-foot sushi roll today using 650 sheets of nori seaweed, 200 pounds of rice, 200 pounds of seafood, 100 pounds of avocado, 100 pounds of cucumber, 2 pounds of sesame seeds, 5 gallons of soy sauce, and 6 pounds of wasabi. (AP)