On average, a frog can catch about 58 mosquitoes per day. How many mosquitoes can it catch in a month?
青蛙平均每天大约能捉58只蚊子，一个月大约能捉多少只蚊子？
<gadget id="calculator">58 * 30</gadget>
<output>1_740</output>

<result>1_740</result>