If X and Y are reciprocals of each other, and (5/(X))=((Y)/(a)), then 8a=how much.
如果X与Y互为倒数，且(5/(X))=((Y)/(a))，那么8a=多少．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">8 * (1/5)</gadget>
<output>8/5 = around 1.6</output>

<result>8/5 = around 1.6</result>