Gardeners want to plant trees on both sides of a 500-meter-long road (both ends are planted), and the distance between every two trees is 5 meters. How many trees will be planted in total?
园林工人要在一条长500米的公路两旁栽树(两端都栽)，每两棵树之间的距离是5米，一共要栽多少棵树？
<gadget id="calculator">500 / 5</gadget>
<output>100</output>

<gadget id="calculator">100 + 1</gadget>
<output>101</output>

<gadget id="calculator">101 * 2</gadget>
<output>202</output>

<result>202</result>