what is the mean of “one of three pills”?

问题描述:

what is the mean of “one of three pills”?
you should take one of three pills every three hours.
question:hou much pills should the person take one day?
answer:8
hou did the answer out?
help!

会不会是每隔3个小时就从3片药片里面挑一片吃?也就是一天24小时里,吃8次药,每次一片.故8片?