A rope is (4/5) meters long. Cut off a section of the same length each time. After 4 cuts, it is just finished. How long is each section in meters? Each section occupies ((())/(()) of the rope )).
一根绳子长(4/5)米，每次截下同样长的一段，截了4次正好截完，每段长多少米，每段占这根绳子的((())/(()))．
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">4 + 1</gadget>
<output>5</output>

<gadget id="calculator">(4/5) / 5</gadget>
<output>4/25 = around 0.16</output>

<result>4/25 = around 0.16</result>