A carpenter had a board that was 5.28 \text { m}5.28 m5, point, 28, start text, space, m, end text long. She used her circular saw to cut 9 \text{ cm}9 cm9, start text, space, c, m, end text off the end of the board. How many centimeters long was the board after the carpenter cut it? How many seconds all together did it take the 333 mice with the shortest times to navigate the maze?