Calculation: 1-(1/2)-(1/4)-(1/8)-(1/16).
计算：1-(1/2)-(1/4)-(1/8)-(1/16)．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

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

<gadget id="calculator">1 - (1/2) - (1/4) - (1/8) - (1/16)</gadget>
<output>1/16 = around 0.0625</output>

<result>1/16 = around 0.0625</result>