A rope is 8 meters long, cut off 3 meters, how much is the remaining
一根绳子长8米，剪去3米，剪去的占剩下的多少
<gadget id="calculator">8 - 3</gadget>
<output>5</output>

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

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