The special police team was going to perform a task at a place of 50.31 kilometers, and started to travel at a speed of 7.2 kilometers per hour for 3.5 hours. The rest of the journey must be completed within 2.7 hours. How many kilometers per hour is the remaining distance traveled?
特警队要去50.31千米的地方执行任务，开始以每小时7.2千米的速度行了3.5小时．剩下的路程必须在2.7小时内行完．剩下的路程每小时行多少千米？
<gadget id="calculator">7.2 * 3.5</gadget>
<output>25.2</output>

<gadget id="calculator">50.31 - 25.2</gadget>
<output>25.11</output>

<gadget id="calculator">25.11 / 2.7</gadget>
<output>9.3</output>

<result>9.3</result>