In one area, the taxi fare method is as follows: when the travel distance does not exceed 3 kilometers, the fare is 7 yuan (starting price); The fare paid after the car is 14.2 yuan. How many kilometers is the distance he traveled by car?
有一个地区，出租车收费方法如下，乘车路程不超过3千米时，收费7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，一乘客乘车后付车费14.2元，他乘车的路程是多少千米？
<gadget id="calculator">14.2 - 7</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>