This year there are 120 more fish fry than last year, 580 fish fry were stocked last year, how many fish fry are stocked this year?
今年放养的鱼苗比去年的2倍多120尾，去年放养鱼苗580尾，今年放养鱼苗多少尾？
<gadget id="calculator">580 * 2</gadget>
<output>1_160</output>

<gadget id="calculator">1_160 + 120</gadget>
<output>1_280</output>

<result>1_280</result>