(1/2)+(1/4)+(1/8)+(1/16)+how much=(31/32).
(1/2)+(1/4)+(1/8)+(1/16)+多少=(31/32)．
<gadget id="calculator">31 / 32</gadget>
<output>31/32 = around 0.96875</output>

<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">(1/2) + (1/4) + (1/8) + (1/16)</gadget>
<output>15/16 = around 0.9375</output>

<gadget id="calculator">(31/32) - (15/16)</gadget>
<output>1/32 = around 0.03125</output>

<result>1/32 = around 0.03125</result>