The taxi standard in a certain city is: the starting price (within 3 kilometers, including 3 kilometers) is 8 yuan, and thereafter every 1 kilometer (less than 1 kilometer is calculated as 1 kilometer) plus 1.6 yuan, Xiao Ming has 20 yuan, he How many kilometers can it sit at most?
某市出租车标准是：起步价(3千米内，包括3千米)8元，以后每超过1千米(不足1千米的按1千米计算)加1.6元，小明有20元，他最多可以坐多少千米？
<gadget id="calculator">20 - 8</gadget>
<output>12</output>

<gadget id="calculator">12 / 1.6</gadget>
<output>7.5</output>

<gadget id="calculator">7.5 + 3</gadget>
<output>10.5</output>

<result>10.5</result>