Xiao Hua can type a document at an average of 50 words per minute. It took 120 minutes to type, how many words are there in this document?
小花打一份文件，平均每分钟能打50个字．用了120分钟打完，这份文件一共有多少个字？
<gadget id="calculator">50 * 120</gadget>
<output>6_000</output>

<result>6_000</result>