Mathematics for the sixth grade of primary school, and a poetry recitation competition for the fifth and sixth graders. Among the poem candidates, there are 6 more five-character quatrains than seven-character quatrains, but the total number of words is actually more than the seven-character quatrains.
There are
28X-168-20X=24
8X=192
X=24
Answer: There are 24 five-character quatrains. There are 18 seven-character quatrains