The charging standard of a taxi in a certain city is: 5 yuan within 3 kilometers, 2.5 yuan per kilometer for more than 3 kilometers (less than 1 kilometer is calculated as 1 kilometer). Uncle Wang traveled 13.5 kilometers, how much should he pay for the fare?
某市出租车的收费标准是：3千米以内5元，超过3千米，每千米2.5元(不足1千米按1千米计算)．王叔叔乘了13.5千米，应该给多少车费呢？
<gadget id="calculator">11 * 2.5</gadget>
<output>27.5</output>

<gadget id="calculator">27.5 + 5</gadget>
<output>32.5</output>

<result>32.5</result>