16-8.4*(2/3)/(1+12%)．
16-8.4*(2/3)/(1+12%)．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">12 / 100</gadget>
<output>3/25 = around 0.12</output>

<gadget id="calculator">1 + (3/25)</gadget>
<output>28/25 = around 1.12</output>

<gadget id="calculator">(2/3) / (28/25)</gadget>
<output>25/42 = around 0.595238</output>

<gadget id="calculator">8.4 * (25/42)</gadget>
<output>5</output>

<gadget id="calculator">16 - 5</gadget>
<output>11</output>

<result>11</result>