A road is 2400 meters long. From the starting point to the end point, one pole is erected every 40 meters. How many poles should be erected in total?
一条路2400米，从起点到终点，每40米立一根电线杆，一共要立多少根．
<gadget id="calculator">2_400 / 40</gadget>
<output>60</output>

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

<result>61</result>