Calculation: (5/8)/(((3/5)+(3/4))*(5/9)).
计算：(5/8)/(((3/5)+(3/4))*(5/9))．
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(3/5) + (3/4)</gadget>
<output>27/20 = around 1.35</output>

<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">(27/20) * (5/9)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(5/8) / (3/4)</gadget>
<output>5/6 = around 0.833333</output>

<result>5/6 = around 0.833333</result>