Teacher Wang wants to print a 20-page manuscript, with 23 lines per page and 27 characters per line. How many characters are there in this manuscript?
王老师要打印一份20页的稿件，每页23行，每行27个字，这份稿件有多少个字？
<gadget id="calculator">27 * 23 * 20</gadget>
<output>12_420</output>

<result>12_420</result>