A rope uses 4 meters more than the full length (3/8), and the remaining part is 2 meters more than the used part. How long is this rope in meters?
一条绳子用去全长的(3/8)多4米，剩下的部分比用去的部分多2米．这条绳子全长多少米？
<gadget id="calculator">6 + 4</gadget>
<output>10</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">1 - (3/8) - (3/8)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">10 / (1/4)</gadget>
<output>40</output>

<result>40</result>