Given a math problem with context and a question and 5 answer choices, the task is to provide the correct answer choice based on the problem. You must choose one of the given answer choices by letter: a, b, c, d, or e; anything else is invalid.
Q: Problem: a welder received an order to make a 1 million liter cube - shaped tank. if he has only 2 x 3 meter sheets of metal that can be cut, how many metal sheets will be required for this order ? ( 1 cubic meter = 1000 liters )
Options: a. 92, b. 90, c. 82, d. 78, e. 100
A:
e