After a rope is folded twice, its length is 35 meters. What is the original length of the rope?
一根绳子对折两次后，长是35米，这根绳子原来长多少米．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">35 / (1/4)</gadget>
<output>140</output>

<result>140</result>