Li Xiaodong wrapped a rope around the tree trunk three times, and the rope was just 5 decimeters longer, and he connected another 6 decimeters of rope, so that he could go around the tree just one more time. How long is the rope in decimeters?
李小东用一根绳子绕树干3圈，绳子正好多5分米，他又接上6分米的绳子，这样正好又能绕树一圈．绳子原来长多少分米．
<gadget id="calculator">5 + 6</gadget>
<output>11</output>

<gadget id="calculator">11 * 3</gadget>
<output>33</output>

<gadget id="calculator">33 + 5</gadget>
<output>38</output>

<result>38</result>