At a hearing on taxi price reduction in a certain city, a taxi quoted a charging standard: the starting price was 5 yuan, and if it exceeded 3 kilometers, the excess part was 1.8 yuan per kilometer. According to this plan, if you pay 23 yuan, you can take a taxi with a distance of many kilometers.
在某市关于出租车降价的听证会上，有一个出租车报的收费标准是：起步价5元，超过3千米，则超过部分每千米1.8元．按照这个方案若支付了23元钱，则可乘坐多少千米行程的出租车．
<gadget id="calculator">23 - 5</gadget>
<output>18</output>

<gadget id="calculator">18 / 1.8</gadget>
<output>10</output>

<gadget id="calculator">10 + 3</gadget>
<output>13</output>

<result>13</result>