The starting fare of a taxi in Xi’an is 6 yuan, 1.5 yuan per kilometer within 7 kilometers for more than 3 kilometers, and 2 yuan per kilometer for more than 7 kilometers. Passengers take a taxi from Xi’an Railway Station for a distance of about 8 kilometers. Shaanxi Museum, how much is the fare upon arrival?
西安市出租车起步价是6元，超过3公里而在7公里以内每公里按1.5元计价，7公里以上部分每公里按2元计价，旅客从西安火车站乘出租车一距离约8公里的陕西博物馆，到达时应付车费多少元？
<gadget id="calculator">7 - 3</gadget>
<output>4</output>

<gadget id="calculator">4 * 1.5</gadget>
<output>6</output>

<gadget id="calculator">8 - 7</gadget>
<output>1</output>

<gadget id="calculator">1 * 2</gadget>
<output>2</output>

<gadget id="calculator">6 + 6 + 2</gadget>
<output>14</output>

<result>14</result>