There was a hundred pounds' worth of damage.

问题描述:

There was a hundred pounds' worth of damage.

就是“造成一百英镑的损失”或者更口语点“损失了一百英镑”
worth 指的是"值,相当于……价值"
ten dollars' worth of apples十美元的苹果
stocks having a worth of ten million dollars.
价值一千万美元的股票