The taxi fare in Kai County is 6 yuan within 5 kilometers (including 5 kilometers), and 2 yuan per kilometer above 5 kilometers. It is 7.2 kilometers from Honghong’s house to grandma’s house. How much does it cost? (If it is less than 1 kilometer, it will be charged as 1 kilometer)
开县出租车收费标准是5千米(含5千米)以内6元，5千米以上每千米收费2元，红红家到外婆家有7.2千米，需要多少钱？(不足1千米的按1千米收费)
<gadget id="calculator">3 * 2</gadget>
<output>6</output>

<gadget id="calculator">6 + 6</gadget>
<output>12</output>

<result>12</result>