A colored ribbon uses up (1/5) meter, exactly (1/5) of this colored ribbon is used up, how many meters is this rope? How much is the column.
一根彩带用去(1/5)米，正好用去这根彩带的(1/5)，这根绳子长多少米？列式为多少．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(1/5) / (1/5) / 5</gadget>
<output>1/5 = around 0.2</output>

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

<result>1</result>