The charging method of a taxi in a certain place is as follows: when the travel distance does not exceed 3 kilometers, the fare is 4 yuan (starting price); A passenger pays 11.2 yuan for one ride, how many kilometers does he travel by car?
某地出租车收费方法如下：乘车路程不超过3千米时，收费4元(起步价)；超过3千米时，超过部分按每千米1.2元加收车费．某乘客一次乘车付车费11.2元，他乘车的路程是多少千米？
<gadget id="calculator">11.2 - 4</gadget>
<output>7.2</output>

<gadget id="calculator">7.2 / 1.2</gadget>
<output>6</output>

<gadget id="calculator">6 + 3</gadget>
<output>9</output>

<result>9</result>