A woodpecker can eat 645 pests in one day, and a frog can eat 608 pests in 8 days. How many more pests do woodpeckers eat per day than frogs?
啄木鸟一天能吃645只害虫，青蛙8天能吃608只害虫．啄木鸟每天比青蛙多吃害虫多少只？
<gadget id="calculator">608 / 8</gadget>
<output>76</output>

<gadget id="calculator">645 - 76</gadget>
<output>569</output>

<result>569</result>