The starting price of a taxi in a certain city is 14 yuan, and after driving more than 3 kilometers, an additional 2.10 yuan will be charged per kilometer. Uncle Zhang wants to take a taxi to work in a company 15 kilometers away from his home. How much will he need to pay? (waiting time is ignored)
某市出租车的起步价为14元，行驶超过3千米后，每千米加收2.10元．张叔叔要乘出租车去距家15千米的某公司办事，大约需要付多少钱？(等候时间忽略不计)
<gadget id="calculator">15 - 3</gadget>
<output>12</output>

<gadget id="calculator">12 * 2.1</gadget>
<output>25.2</output>

<gadget id="calculator">14 + 25.2</gadget>
<output>39.2</output>

<result>39.2</result>