There is a road with a length of 1 kilometer. On both sides of the road, a poplar is placed every 5 meters. (Both ends are loaded) How many poplars do you need to carry in total?
有一条长1千米的公路，在公路的两边每隔5米载一棵白杨，(两端都载)一共需要载多少棵白杨？
<gadget id="calculator">1_000 / 5</gadget>
<output>200</output>

<gadget id="calculator">1 * 200</gadget>
<output>200</output>

<gadget id="calculator">200 + 1</gadget>
<output>201</output>

<gadget id="calculator">201 * 2</gadget>
<output>402</output>

<result>402</result>