Master Zhang weaves (2/5) meters of blankets per hour, how many hours does it take to weave (2/3) meters long blankets?
张师傅每小时织(2/5)米的毯子，织(2/3)米长的毯子需要多少小时．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(2/3) / (2/5)</gadget>
<output>5/3 = around 1.666667</output>

<result>5/3 = around 1.666667</result>