The word “flabbergastled” doesn’t seem to exist, the closest word is “flabbergasted”
Flabbergasted means the feeling or showing intense shock, surprise, or wonder : utterly astonished
Firstly, understand the body of the passage. Secondly, the topic and thirdly give them their answers
The fascinators had the commands of working, playing and sleeping for eight hours a day printed under each of them. The idea was to systematize their lives and deprived them from the priviledge of thinking. There was a third of the day which had to be dedicated to the most basic activities in life.