In order to measure the length of a certain road, set up a pole at the beginning of the road, then set up a pole every 10 meters, and set up a pole at the end, a total of 15 poles were erected. How many meters is this road?
为了测量某条道路的长度，在路起始端立一根标杆，然后每隔10米立一根，在末端正好也立了一根标杆，共立了15根．这条路有多少米？
<gadget id="calculator">15 - 1</gadget>
<output>14</output>

<gadget id="calculator">14 * 10</gadget>
<output>140</output>

<result>140</result>