Drink half of a glass of milk for the first time, drink the remaining half for the second time, and still drink the remaining half for the third time. In this way, you drink 6 times in total. What percentage of this glass of milk is drunk in total?
一杯牛奶，第一次喝掉一半，第二次喝掉剩下的一半，第三次仍然喝余下的一半，这样共喝了6次，一共喝去这杯牛奶的几分之几？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) * (1/2)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/2) * (1/2) * (1/2)</gadget>
<output>1/8 = around 0.125</output>

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

<gadget id="calculator">(1/2) * (1/2) * (1/2) * (1/2) * (1/2)</gadget>
<output>1/32 = around 0.03125</output>

<gadget id="calculator">(1/2) * (1/2) * (1/2) * (1/2) * (1/2) * (1/2)</gadget>
<output>1/64 = around 0.015625</output>

<gadget id="calculator">(1/2) + (1/4) + (1/8) + (1/16) + (1/32) + (1/64)</gadget>
<output>63/64 = around 0.984375</output>

<result>63/64 = around 0.984375</result>