Typist Xiaofang typed an average of 85 words per minute. It took her just 40 minutes to type a manuscript. How many words are in this manuscript? How many.
打字员小芳平均每分钟打85个字，她打一篇文稿刚好用了40分钟，这篇文稿有多少字？多少．
<gadget id="calculator">85 * 40</gadget>
<output>3_400</output>

<result>3_400</result>