(4/9)*16+(5/9)/(1/16).
(4/9)*16+(5/9)/(1/16)．
<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">(4/9) * 16</gadget>
<output>64/9 = around 7.111111</output>

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

<gadget id="calculator">1 / 16</gadget>
<output>1/16 = around 0.0625</output>

<gadget id="calculator">(5/9) / (1/16)</gadget>
<output>80/9 = around 8.888889</output>

<gadget id="calculator">(64/9) + (80/9)</gadget>
<output>16</output>

<result>16</result>