A woodpecker can catch 840 pests a week, how many pests can a woodpecker catch on average every day?
一只啄木鸟一周能捉840只害虫，一只啄木鸟平均每天能捉多少只害虫？
<gadget id="calculator">840 / 7</gadget>
<output>120</output>

<result>120</result>