Divide a rope into 5 parts on average, one of which is the size of the rope.
把一根绳子平均分成5份，其中的一份是这根绳子的多少．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>