There is a trash can every 10.65 meters on the embankment walkway, and there are no trash cans at both ends. There are 12 trash cans in total. How long is this embankment in meters? how many meters
河堤步道每隔10.65公尺设一个垃圾桶，头尾两端都不设，一共设了12个垃圾桶，这条河堤长多少公尺？多少公尺
<gadget id="calculator">12 + 1</gadget>
<output>13</output>

<gadget id="calculator">13 * 10.65</gadget>
<output>138.45</output>

<result>138.45</result>