Uncle Liu wants to plant a sapling every 40 meters on the side of the 280-meter-long road. How many saplings should he prepare? (Both ends must be planted)
刘叔叔要在长280米的马路一侧每隔40米栽一棵树苗，应准备多少棵树苗呢？(两端都要栽)
<gadget id="calculator">280 / 40</gadget>
<output>7</output>

<gadget id="calculator">7 + 1</gadget>
<output>8</output>

<result>8</result>