The charging standards of taxis in our city are as follows: the starting price is 5 yuan (including 2 kilometers), plus 1 yuan for every extra kilometer in the daytime; Meters are calculated as 1 kilometer. Once, my mother took a taxi home from the bus station at 21:30 and traveled a total of 6.7 kilometers. How much does mother pay for the fare?
我市出租车的计费标准如下：起步价5元(含2千米)，白天每多行1千米加1元；晚上9点以后，每多行1千米加1.2元，不足1千米的按1千米计算．一次妈妈21：30坐出租车从汽车站回家，一共行了6.7千米．妈妈应付多少车费？
<gadget id="calculator">6.7 - 2</gadget>
<output>4.7</output>

<gadget id="calculator">4.7 * 1.2</gadget>
<output>5.64</output>

<gadget id="calculator">5.64 + 5</gadget>
<output>10.64</output>

<result>10.64</result>