A street tree is planted every 25.55 meters, and trees are planted at both ends of the road. A total of 125 street trees have been planted on Datong Road. How long is Datong Road?
每25.55公尺种一棵行道树，路的两端要种树，大同路上共种了125棵行道树，请问大同路有多长？
<gadget id="calculator">125 - 1</gadget>
<output>124</output>

<gadget id="calculator">124 * 25.55</gadget>
<output>3_168.2</output>

<result>3_168.2</result>