392+394+396+398+400+402+404+406+408.
392+394+396+398+400+402+404+406+408．
<gadget id="calculator">392 + 394 + 396 + 398 + 400 + 402 + 404 + 406 + 408</gadget>
<output>3_600</output>

<result>3_600</result>