m and n are reciprocals of each other, then, ((m)/17)/(17/(n))=how much.
m与n互为倒数，那么，((m)/17)/(17/(n))=多少．
<gadget id="calculator">1 / 289</gadget>
<output>1/289 = around 0.00346</output>

<result>1/289 = around 0.00346</result>