The typist aunt typed 14 pages of documents a day, with 20 lines per page and 30 characters per line. How many words did she type in total this day?
打字员阿姨一天打了14页文件，每页20行，每行30个字．这一天她一共打了多少个字？
<gadget id="calculator">30 * 20 * 14</gadget>
<output>8_400</output>

<result>8_400</result>