Uncle Wang wants to take a taxi to work 15 kilometers away. The taxi fare is: 10 yuan within 3 kilometers, and 1.60 yuan for every kilometer beyond 3 kilometers. How much does Uncle Wang pay for the fare?
王叔叔要乘出租车到15千米外的地方办事．出租车的收费标准是：3千米以内收费10元，超过3千米的每千米加收1.60元．王叔叔应付车费多少元？
<gadget id="calculator">15 - 3</gadget>
<output>12</output>

<gadget id="calculator">12 * 1.6</gadget>
<output>19.2</output>

<gadget id="calculator">19.2 + 10</gadget>
<output>29.2</output>

<result>29.2</result>