Xiaoliang and his father took a taxi to go to Xuanwu Lake. The price was 8 yuan within 3 kilometers, and the price increased by 3 yuan for every kilometer beyond 3 kilometers. Dad paid 26 yuan when he got off the bus. Do you know how many kilometers they traveled in a taxi?
小亮和爸爸坐出租车去玄武湖游玩，3千米以内计价8元，超过3千米，每千米3元加价．下车时爸爸付了26元，你知道他们坐出租车行了多少千米吗？
<gadget id="calculator">26 - 8</gadget>
<output>18</output>

<gadget id="calculator">18 / 3</gadget>
<output>6</output>

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

<result>9</result>