题目

Time and how we experience it have always puzzled us. Physicists have created fascinating theories, but their time is measured by a pendulum (钟摆) and is not psychological time, which leaps with little regard to the clock or calendar. As someone who understood the distinction observed, 'When you sit with a nice girl for two hours it seems like a minute, but when you sit on a hot stove, a minute seems like two hours. 'Psychologists have long noticed that larger units of time, such as months and years, fly on swifter wings as we age. They also note that the more time is structured with schedu640是8的（_______）倍；204的5倍是（_______）；891是（_______）的9倍。