rope is cut into two sections. The length of the first section is three times longer than the second section by 5 decimeters, and the length of the second section is 12 decimeters. How many decimeters is the length of this rope?
一根绳子剪成两段，第一段的长度是第二段的3倍多5分米，第二段长12分米，这根绳子长多少分米？
<gadget id="calculator">12 * 3</gadget>
<output>36</output>

<gadget id="calculator">36 + 5</gadget>
<output>41</output>

<result>41</result>