How many squares with sides 1/2 inch long are needed to cover a rectangle that is 4 feet long and 6 feet wide? (1 foot = 12 inches)
(A) 24
(B) 96
(C) 3,456
(D) 13,824
(E) 14,266
(A) 24
(B) 96
(C) 3,456
(D) 13,824
(E) 14,266