Aunt Li typed a document and typed 240 characters in the first 3 minutes. At this speed, she can finish typing in another 6 minutes. How many words are in this document?
李阿姨打1份文件，前3分钟打了240个字，照这样的速度，再用6分钟就能打完．这份文件有多少个字？
<gadget id="calculator">240 / 3</gadget>
<output>80</output>

<gadget id="calculator">80 * 6</gadget>
<output>480</output>

<gadget id="calculator">240 + 480</gadget>
<output>720</output>

<result>720</result>