(1/7)*(5/12)+(5/12)/(7/5).
(1/7)*(5/12)+(5/12)/(7/5)．
<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>

<gadget id="calculator">5 / 12</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">(1/7) * (5/12)</gadget>
<output>5/84 = around 0.059524</output>

<gadget id="calculator">7 / 5</gadget>
<output>7/5 = around 1.4</output>

<gadget id="calculator">(5/12) / (7/5)</gadget>
<output>25/84 = around 0.297619</output>

<gadget id="calculator">(5/84) + (25/84)</gadget>
<output>5/14 = around 0.357143</output>

<result>5/14 = around 0.357143</result>