((92/7)+(72/9))/((5/7)+(5/9)).
((92/7)+(72/9))/((5/7)+(5/9))．
<gadget id="calculator">92 / 7</gadget>
<output>92/7 = around 13.142857</output>

<gadget id="calculator">72 / 9</gadget>
<output>8</output>

<gadget id="calculator">(92/7) + 8</gadget>
<output>148/7 = around 21.142857</output>

<gadget id="calculator">5 / 7</gadget>
<output>5/7 = around 0.714286</output>

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

<gadget id="calculator">(5/7) + (5/9)</gadget>
<output>80/63 = around 1.269841</output>

<gadget id="calculator">(148/7) / (80/63)</gadget>
<output>333/20 = around 16.65</output>

<result>333/20 = around 16.65</result>