A frog eats 50 times more pests than frog B in 100 days. It is known that frog B eats 10 pests a day. Question: How many frogs eat a day?
甲青蛙100天吃的害虫是乙青蛙100天吃的害虫的50倍，已知乙青蛙一天吃10只害虫．问：甲青蛙一天吃多少只？
<gadget id="calculator">10 * 50</gadget>
<output>500</output>

<result>500</result>