Taxi charges in a certain city are as follows: when the travel route does not exceed 3 kilometers, the fare is 5 yuan (starting price); when the distance exceeds 3 kilometers, an additional fare of 1.6 yuan per kilometer is charged for the excess part. Uncle Wang's fare for one trip is 24.2 yuan. How many kilometers does he travel by car?
某市出租车收费规定如下：乘车路线不超过3千米时，收费5元(起步价)，超过3千米时，超过部分按每千米1.6元加收车费．王叔叔一次乘车的车费是24.2元，他乘车的路程是多少千米？
<gadget id="calculator">24.2 - 5</gadget>
<output>19.2</output>

<gadget id="calculator">19.2 / 1.6</gadget>
<output>12</output>

<gadget id="calculator">12 + 3</gadget>
<output>15</output>

<result>15</result>