Divide (5/9) of a watermelon into 4 parts on average, how much is each part of this watermelon.
把一个西瓜的(5/9)平均分成4份，每份是这个西瓜的多少．
<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">(5/9) / 4</gadget>
<output>5/36 = around 0.138889</output>

<result>5/36 = around 0.138889</result>