Xiao Ming and Xiao Jun go from A to B at the same time. After 1.8 hours, Xiao Ming falls 5.76 kilometers behind Xiao Jun. Xiao Ming travels 3.25 kilometers per hour. How many kilometers does Xiao Jun travel per hour?
小明和小军同时从甲地到乙地，经过1.8小时后，小明落在小军后面5.76千米，小明每小时行3.25千米，小军每小时行多少千米？
<gadget id="calculator">1.8 * 3.25</gadget>
<output>5.85</output>

<gadget id="calculator">5.85 + 5.76</gadget>
<output>11.61</output>

<gadget id="calculator">11.61 / 1.8</gadget>
<output>6.45</output>

<result>6.45</result>