Teacher Zhang wants to print a 50-page manuscript, with 23 lines per page and an average of 25 characters per line. How many characters are there in this manuscript?
张老师要打印一份50页的稿子，每页23行，每行平均25个字，这份稿件共有多少个字？
<gadget id="calculator">25 * 23 * 50</gadget>
<output>28_750</output>

<result>28_750</result>