There are 26 boxes of mechanical pencils in the stationery store, and each box has 18 pieces. After selling 67 pieces, how many mechanical pencils are left?
文具店有26盒自动铅笔，每盒18支，卖出67支后，还剩下多少支活动铅笔？
<gadget id="calculator">468 - 27</gadget>
<output>441</output>

<result>441</result>