A professional fish farmer raised 28 boxes of fish last year and 42 boxes of fish this year, with 120 fish in each box. How many more tails are raised this year than last year?
一个养鱼专业户去年养鱼28箱，今年养鱼42箱，每箱都是120尾．今年比去年多养多少尾？
<gadget id="calculator">42 - 28</gadget>
<output>14</output>

<gadget id="calculator">14 * 120</gadget>
<output>1_680</output>

<result>1_680</result>