The printing factory binds 340 diaries every day, and after one week (7 days), how many diaries are bound in total?
印刷厂每天装订340本日记本，一星期(7天)装订完，一共装订了多少本日记本？
<gadget id="calculator">340 * 7</gadget>
<output>2_380</output>

<result>2_380</result>