Cut a 3-meter-long rope into 5 sections on average, each section accounts for ((())/(())) of the total length, how many meters is each section.
把一根3米长的绳子平均截成5段，每段占全长的((())/(()))，每段多少米．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

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

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<result>3/5 = around 0.6</result>