12 frogs eat a total of 2400 pests in 2 days, how many pests does each frog eat per day on average?
12只青蛙2天共吃害虫2400只，平均每只青蛙每天吃害虫多少只？
<gadget id="calculator">2_400 / 2 / 12</gadget>
<output>100</output>

<result>100</result>