Calculation: (3/4)*(1/((5/6)+(3/4))).
计算：(3/4)*(1/((5/6)+(3/4)))．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

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

<gadget id="calculator">(5/6) + (3/4)</gadget>
<output>19/12 = around 1.583333</output>

<gadget id="calculator">1 / (19/12)</gadget>
<output>12/19 = around 0.631579</output>

<gadget id="calculator">(3/4) * (12/19)</gadget>
<output>9/19 = around 0.473684</output>

<result>9/19 = around 0.473684</result>