In summer, frogs can catch about 145 pests a day, and swallows can kill 12 times as many pests as frogs. How many pests can swallows kill in a day?
夏季青蛙一天大约能捕捉145只害虫，燕子一天消灭的害虫是青蛙的12倍，燕子一天能消灭多少只害虫．
<gadget id="calculator">145 * 12</gadget>
<output>1_740</output>

<result>1_740</result>