(3/7)*(5/6)+(5/14)/(2/3).
(3/7)*(5/6)+(5/14)/(2/3)．
<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>

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

<gadget id="calculator">(3/7) * (5/6)</gadget>
<output>5/14 = around 0.357143</output>

<gadget id="calculator">5 / 14</gadget>
<output>5/14 = around 0.357143</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(5/14) / (2/3)</gadget>
<output>15/28 = around 0.535714</output>

<gadget id="calculator">(5/14) + (15/28)</gadget>
<output>25/28 = around 0.892857</output>

<result>25/28 = around 0.892857</result>