Uncle Wang, a professional chicken farmer, raised 1,090 chickens last year, and the number of chickens raised this year has tripled to last year. How many chickens are you raising this year?
养鸡专业户王大伯去年养鸡1090只，今年养鸡只数增加到去年的3倍．今年养鸡多少只？
<gadget id="calculator">1_090 * 3</gadget>
<output>3_270</output>

<result>3_270</result>