Trees are planted on both sides of a 360-meter-long road (both ends are planted), and one tree is planted every 4 meters. How many trees will be planted in total?
在一条长360米的道路两旁都栽上树(两端都栽)，每隔4米栽一棵．一共要栽多少棵树？
<gadget id="calculator">360 / 4</gadget>
<output>90</output>

<gadget id="calculator">90 + 1</gadget>
<output>91</output>

<gadget id="calculator">91 * 2</gadget>
<output>182</output>

<result>182</result>