A rope, cut off the full length (1/3), and then cut off 6cm, then the remaining rope is 18cm long. What is the total length of this rope in cm?
一根绳子，剪去全长的(1/3)后，再剪去6cm，这时剩下的绳子长18cm．原来这根绳子全长多少cm．
<gadget id="calculator">18 + 6</gadget>
<output>24</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">24 / (2/3)</gadget>
<output>36</output>

<result>36</result>