Wang Feng can type 21 Chinese characters per minute, and Li Qing can type 216 Chinese characters in 8 minutes. Who can type faster? How many Chinese characters can be typed per minute?
王枫每分钟能打21个汉字，李庆8分钟能打216个汉字．谁打字快？每分钟多打多少个汉字？
<gadget id="calculator">216 / 8</gadget>
<output>27</output>

<gadget id="calculator">27 - 21</gadget>
<output>6</output>

<result>6</result>