The starting price of a taxi (within 3 kilometers) is 7 yuan, and the price is 1.4 yuan per kilometer within 8 kilometers for more than 3 kilometers; 50% of the price is added per kilometer for the part above 8 kilometers. Lin Li A family of four took a taxi of this kind from Chenghai Garden Hotel to travel to the Tashan Ancient Temple, which is about 11 kilometers away. How much should the Lin Li family pay when they arrive?
一种出租车起步(3千米以内)价是7元，超过3千米而在8千米以内每千米按1.4元计价；8千米以上的部分每千米再加价50%，林丽家4人从澄海花园酒店乘一辆这种出租车到距离约11千米的塔山古寺旅游，林丽一家到达时应付车费多少元？
<gadget id="calculator">8 - 3</gadget>
<output>5</output>

<gadget id="calculator">5 * 1.4</gadget>
<output>7</output>

<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 + (1/2)</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">11 - 8</gadget>
<output>3</output>

<gadget id="calculator">1.4 * (3/2) * 3</gadget>
<output>6.3</output>

<gadget id="calculator">7 + 7 + 6.3</gadget>
<output>20.3</output>

<result>20.3</result>