Calculation: (191919/979797)/(190190/970970)/(19001900/97009700).
计算：(191919/979797)/(190190/970970)/(19001900/97009700)．
<gadget id="calculator">191_919 / 979_797</gadget>
<output>19/97 = around 0.195876</output>

<gadget id="calculator">190_190 / 970_970</gadget>
<output>19/97 = around 0.195876</output>

<gadget id="calculator">19_001_900 / 97_009_700</gadget>
<output>19/97 = around 0.195876</output>

<gadget id="calculator">(19/97) / (19/97) / (19/97)</gadget>
<output>97/19 = around 5.105263</output>

<result>97/19 = around 5.105263</result>