1+(1/2)+(1/4)+(1/8)+(1/16)+(1/32).
1+(1/2)+(1/4)+(1/8)+(1/16)+(1/32)．
<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 / 32</gadget>
<output>1/32 = around 0.03125</output>

<gadget id="calculator">1 + (1/2) + (1/4) + (1/8) + (1/16) + (1/32)</gadget>
<output>63/32 = around 1.96875</output>

<result>63/32 = around 1.96875</result>