The starting price of a taxi in a certain city is 10 yuan (within 3 kilometers, including 3 kilometers), and the fee is 1.2 yuan for each additional 1 kilometer for more than 3 kilometers. According to this calculation, how much does Xiao Ming need to pay for taking a taxi to the History Museum for a total of 5 kilometers.
某市出租车起步价10元(3千米以内，含3千米)，3千米以上，每增加1千米收费1.2元．照这样计算，小明乘出租车去历史博物馆全程5千米，需付费多少元．
<gadget id="calculator">5 - 3</gadget>
<output>2</output>

<gadget id="calculator">2 * 1.2</gadget>
<output>2.4</output>

<gadget id="calculator">2.4 + 10</gadget>
<output>12.4</output>

<result>12.4</result>