Place chairs on both sides of a 25-meter-long road in a park. There are 12 chairs in total from the beginning to the end, and the distance between two adjacent chairs is equal. What is the distance between two adjacent chairs?
在公园一条长25米的路的两侧放椅子，从起点到终点共放了12把椅子，相邻两把椅子距离相等．相邻两把椅子之间相距多少米？
<gadget id="calculator">12 / 2</gadget>
<output>6</output>

<gadget id="calculator">6 - 1</gadget>
<output>5</output>

<gadget id="calculator">25 / 5</gadget>
<output>5</output>

<result>5</result>