A rope is cut into 4 sections, one section is 3.76 meters long, the other section is 0.5 meters shorter than it, and the other two sections are 0.5 meters longer than it, how many meters is the original length of this rope?
一根绳子剪成4段，其中一段长3.76米，另外一段比它短0.5米，其余二段都比它长0.5米，这根绳子原来全长多少米？
<gadget id="calculator">3.76 * 4</gadget>
<output>15.04</output>

<gadget id="calculator">15.04 - 0.5</gadget>
<output>14.54</output>

<gadget id="calculator">0.5 * 2</gadget>
<output>1</output>

<gadget id="calculator">14.54 + 1</gadget>
<output>15.54</output>

<result>15.54</result>