On both sides of a section of road, a telegraph pole is erected at intervals of 16m, not counting the 54 telegraph poles shared by both ends of the road. How long is this section of road in meters?
在一段公路的两侧每隔16m架设一根电线杆，不算路的两端共用电线杆54根，这段公路长多少米？
<gadget id="calculator">54 / 2</gadget>
<output>27</output>

<gadget id="calculator">27 + 1</gadget>
<output>28</output>

<gadget id="calculator">16 * 28</gadget>
<output>448</output>

<result>448</result>