문제: The water level in a rectangular swimming pool measuring 60 feet by 25 feet by 25 feet is to be lowered by 6 inches. How many gallons of water must be removed? (1 cubic ft = 7.5 gallons).
해설지에는
Volume = 60 x 25 x 25 = 37500 cu ft = 281250 gallons.
Lowered by = 60 x 25 x 0.5 로 나와있는데 60 x 25 x 25 x 0.5가 아닌가요?ㅠㅠㅠ영어 해석의 문제인가요?