Xiaohua typed 765 characters in 15 minutes, and Xiaoxin typed 868 characters in 14 minutes. How many words does Xiaohua type less than Xiaoxin per minute?
小华15分钟打了765个字，小新14分钟打了868个字．小华每分钟比小新少打多少个字？
<gadget id="calculator">868 / 14</gadget>
<output>62</output>

<gadget id="calculator">765 / 15</gadget>
<output>51</output>

<gadget id="calculator">62 - 51</gadget>
<output>11</output>

<result>11</result>