A rope is 10 meters long, and 4 meters are cut off, what is left of the rope?
一根绳子长10米，剪去4米，还剩下这根绳子的多少．
<gadget id="calculator">10 - 4</gadget>
<output>6</output>

<gadget id="calculator">6 / 10</gadget>
<output>3/5 = around 0.6</output>

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