The cut part of a rope is (1/6) of the remaining part. If (1/5) meter is cut off, the cut part is (1/5) of the remaining part. Q: How long is this rope?
一根绳子剪去部分是余下部分的(1/6)，如果再剪去(1/5)米，则剪去部分是余下部分的(1/5)，问：这条绳子有多长？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + 5</gadget>
<output>6</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 + 6</gadget>
<output>7</output>

<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>

<gadget id="calculator">(1/6) - (1/7)</gadget>
<output>1/42 = around 0.02381</output>

<gadget id="calculator">(1/5) / (1/42)</gadget>
<output>42/5 = around 8.4</output>

<result>42/5 = around 8.4</result>