The garden uncle wants to plant trees on both sides of the road for 1 kilometer, planting one tree every 5 meters, how many trees can be planted in total.
园林叔叔要在1千米的马路两旁植树，每隔5米种一棵，一共可以植多少棵．
<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>