book manuscript was originally planned to be printed with 540 pages, 24 lines per page, and 26 characters per line. Now it has been changed to 30 lines per page. How many pages has been reduced in this manuscript compared with the original plan.
一本书稿，原计划共印540页，每页24行，每行26个字．现在又改为每页30行，这本书稿比原计划减少多少页．
<gadget id="calculator">24 * 26 * 540</gadget>
<output>336_960</output>

<gadget id="calculator">30 * 26</gadget>
<output>780</output>

<gadget id="calculator">336_960 / 780</gadget>
<output>432</output>

<gadget id="calculator">540 - 432</gadget>
<output>108</output>

<result>108</result>