Instead of three school terms,it says,there should be five eight-week terms.

【专家解说】：five 作定语修饰eight-week terms. five eight-week terms 五个八周的学期 句意: 它上面写着,不是三个学期, 而应该有五个八周的学期. (即: 五个学期, 每学期的时长为八周)