Xiao Ming typed 650 characters in 13 minutes, and Xiao Li typed 720 characters in 16 minutes. Who can type faster? How many more words per minute does the fast one type than the slow one?
小明13分钟打650个字，小利16分钟打了720个字，谁打的快？快的比慢的每分钟多打多少个字？
<gadget id="calculator">650 / 13</gadget>
<output>50</output>

<gadget id="calculator">720 / 16</gadget>
<output>45</output>

<gadget id="calculator">50 - 45</gadget>
<output>5</output>

<result>5</result>