Calculation: (5/9)/((5/6)*((7/9)-(1/3))).
计算：(5/9)/((5/6)*((7/9)-(1/3)))．
<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">7 / 9</gadget>
<output>7/9 = around 0.777778</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(7/9) - (1/3)</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">(5/6) * (4/9)</gadget>
<output>10/27 = around 0.37037</output>

<gadget id="calculator">(5/9) / (10/27)</gadget>
<output>3/2 = around 1.5</output>

<result>3/2 = around 1.5</result>