When a=what, the reciprocal of ((a)/8) is equal to (1/2).
当a=多少时，((a)/8)的倒数等于(1/2)．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

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

<gadget id="calculator">8 * 2</gadget>
<output>16</output>

<result>16</result>