A total of 55 saplings are planted beside the road, and the distance between two adjacent saplings is 50 meters. Now the distance should be changed to 60 meters. How many saplings can there be without moving.
在公路一旁共种树苗55棵，每相邻两棵树苗的间距是50米，现在要把间距改成60米，可以有多少棵树苗不必移动．
<gadget id="calculator">55 - 1</gadget>
<output>54</output>

<gadget id="calculator">2 * 2 * 3 * 5 * 5</gadget>
<output>300</output>

<gadget id="calculator">54 / 300</gadget>
<output>9/50 = around 0.18</output>

<gadget id="calculator">50 * (9/50)</gadget>
<output>9</output>

<gadget id="calculator">9 + 1</gadget>
<output>10</output>

<result>10</result>