8. (5 points) Teacher Wang is distributing bananas to the children. If each child gets 3 bananas, there will be 4 bananas left; if each child gets 4 bananas, there will be 3 bananas short. How many children are there $\qquad$?
【Answer】Solution:
$4+3=7$ (roots)
$7 \div(4-3)=7$ (pieces)
Therefore, the answer is 7.