Taxi companies withdrew from the new charging standard: 5 yuan within 3km; 1.8 yuan per kilometer over 3km (less than 1km is calculated as 1km). The distance from my house to grandma's is 7.6km. How much does my father have to pay to go to grandma's house by car?
出租车公司退出了新的收费标准：3km以内5元；超过3km，每千米1.8元(不足1km按1km计算)．我家到奶奶家的路程是7.6km，爸爸坐车去奶奶家要付多少元？
<gadget id="calculator">5 * 1.8</gadget>
<output>9</output>

<gadget id="calculator">9 + 5</gadget>
<output>14</output>

<result>14</result>