Xiao Ming typed 200 characters in 4 minutes, how many characters can he type in 6 minutes?
小明4分钟打了200个字，他6分钟能打多少个字．
<gadget id="calculator">200 / 4</gadget>
<output>50</output>

<gadget id="calculator">50 * 6</gadget>
<output>300</output>

<result>300</result>