There is a rectangular land with an area of 10 hectares and a length of 400 meters. From one corner of the land, a poplar is planted every 5 meters. How many poplars are planted around it?
有一块长方形的地，它的面积是10公顷，长是400米，从这块地的一个角起，每隔5米植一棵白杨，在它的周围共植白杨多少棵？
<gadget id="calculator">10_000 / 400</gadget>
<output>25</output>

<gadget id="calculator">10 * 25</gadget>
<output>250</output>

<gadget id="calculator">250 + 400</gadget>
<output>650</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">650 * (2/5)</gadget>
<output>260</output>

<result>260</result>