When planting trees on a road section of 100 meters, it is necessary to ensure that the distance between at least two trees is less than 10 meters, and at least how many trees should be planted.
在100米的路段上植树，要保证至少有两棵树之间的距离小于10米，至少要种多少棵树．
<gadget id="calculator">100 / 10</gadget>
<output>10</output>

<gadget id="calculator">10 + 1 + 1</gadget>
<output>12</output>

<result>12</result>