The taxi fare standard in a city is: within 3 kilometers (including 3 kilometers), the starting price is 8 yuan, and the part beyond 3 kilometers is priced at 1.8 yuan per kilometer. The distance between the station and the Xinhua Bookstore is 4.2 kilometers. How much does Daxin have to pay for taking a taxi from the station to the bookstore?
一个城市的出租车收费标准是：在3千米范围内(含3千米)起步价为8元，超过3千米的部分每千米按1.8元计价．车站到新华书店相距4.2千米，大新乘出租车从车站到书店要付车费多少元？
<gadget id="calculator">4.2 - 3</gadget>
<output>1.2</output>

<gadget id="calculator">1.2 * 1.8</gadget>
<output>2.16</output>

<gadget id="calculator">2.16 + 8</gadget>
<output>10.16</output>

<result>10.16</result>