There are 12 pencils in a dozen, 10 dozen pencils are packed in a box, and every 50 boxes are packed in a box, how many pencils are in a box?
一打铅笔有12支，10打铅笔装一盒，每50盒装一箱，一箱铅笔多少支？
<gadget id="calculator">10 * 50 * 12</gadget>
<output>6_000</output>

<result>6_000</result>