9: 2=((x)/16).
9：2=((x)/16)．
<gadget id="calculator">9 / 2</gadget>
<output>9/2 = around 4.5</output>

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

<gadget id="calculator">(9/2) / (1/16)</gadget>
<output>72</output>

<result>72</result>