The woodpecker eats 645 pests every day, and the frog eats 608 pests in 8 days. How many more pests do woodpeckers eat than frogs?
啄木鸟每天吃645只害虫，青蛙8天才吃608只害虫．啄木鸟比青蛙多吃多少只害虫？
<gadget id="calculator">608 / 8</gadget>
<output>76</output>

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

<result>569</result>