The andel would be better because you are getting 4 rolls for $4 compared to the other one it would be 2 times 4 which would be $8 for 4 rolls. So the $4 for 4 rolls is a better deal :)
the base is 6 inches, the height is 4.5 inches. Multiply that by usinhg the formula A = bh your answer will be 27 then multiply that by 60 and your answer is 1,620.