A road is 1,800 meters long. From the starting point to the end point, a utility pole is installed every 30 meters. How many utility poles need to be installed in total?
一条公路长1800米，从起点到终点，每隔30米安装一根电线杆，共需要安装电线杆多少根？
<gadget id="calculator">1_800 / 30</gadget>
<output>60</output>

<gadget id="calculator">60 + 1</gadget>
<output>61</output>

<result>61</result>