Cut off a rope by half of its total length by more than 6 meters, and there are 36 meters left at this time, what is the original length of this rope?
把一根绳子剪去全长的一半多6米，这时还剩36米，求这根绳子原来长多少？
<gadget id="calculator">36 + 6</gadget>
<output>42</output>

<gadget id="calculator">42 * 2</gadget>
<output>84</output>

<result>84</result>