A rope is (1/2) meters long, how many meters is (1/2) the length of the rope?
一根绳子长(1/2)米，(1/2)根绳子长多少米．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) * (1/2)</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>