((0.3+0.03+0.003+…)/(0.6+0.06+0.006+…)).
((0.3+0.03+0.003+…)/(0.6+0.06+0.006+…))．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(1/3) / (2/3)</gadget>
<output>1/2 = around 0.5</output>

<result>1/2 = around 0.5</result>