There are 21 badmintons on the sports goods counter, and there are 110 boxes under the shelf, each box contains 12 badmintons, how many badmintons are there in total?
体育用品专柜上摆着21个羽毛球，货架下还有110盒，每盒装12个羽毛球，一共有多少个羽毛球？
<gadget id="calculator">12 * 110</gadget>
<output>1_320</output>

<gadget id="calculator">1_320 + 21</gadget>
<output>1_341</output>

<result>1_341</result>