How many square yards of carpet are required to cover a rectangular floor that is 12 feet long and 9 feet wide? (There are 3 feet in a yard.)<spanclass=′latex−bold′>(A)</span>12<spanclass=′latex−bold′>(B)</span>36<spanclass=′latex−bold′>(C)</span>108<spanclass=′latex−bold′>(D)</span>324<spanclass=′latex−bold′>(E)</span>972