Master Wang weaves (9/4) rice cloth in (1/3) hour. According to this calculation, how many hours does it take to weave 3 meters cloth.
王师傅(1/3)小时织(9/4)米布，照这样计算，织3米布需多少小时．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">9 / 4</gadget>
<output>9/4 = around 2.25</output>

<gadget id="calculator">(1/3) / (9/4)</gadget>
<output>4/27 = around 0.148148</output>

<gadget id="calculator">(4/27) * 3</gadget>
<output>4/9 = around 0.444444</output>

<result>4/9 = around 0.444444</result>