Teacher Wu wants to print a 10-page manuscript, with 25 lines per page and 28 characters per line. How many characters are there in this manuscript?
吴老师要打印一份10页的稿件，每页25行，每行28个字，这分稿件有多少个字？
<gadget id="calculator">25 * 28 * 10</gadget>
<output>7_000</output>

<result>7_000</result>