The starting price of a taxi in a certain city is 5 yuan, and after 2 kilometers, it will be charged at 1.2 yuan per kilometer. Uncle Li rented a car for 26.6 yuan, how many kilometers away did Uncle Li go.
某市出租车起步价是5元，2千米以后按每千米1.2元计费．李叔叔租车用了26.6元，李叔叔到多少千米远的地方．
<gadget id="calculator">26.6 - 5</gadget>
<output>21.6</output>

<gadget id="calculator">21.6 / 1.2</gadget>
<output>18</output>

<gadget id="calculator">2 + 18</gadget>
<output>20</output>

<result>20</result>