A store distributes a commodity. Since the purchase price is reduced by 5%, the selling price remains unchanged; the profit rate is increased by 6 percentage points (that is: the original profit rate + 6%), what is the original profit rate
某商店经销一种商品，由于进价降低了5%，出售价不变；使利润率提高了6个百分点(即成为：原利润率+6%)，则原利润率为多少
<gadget id="calculator">6 / 100</gadget>
<output>3/50 = around 0.06</output>

<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">(1/20) * (3/50)</gadget>
<output>3/1_000 = around 0.003</output>

<gadget id="calculator">(3/50) - 1 - (1/20) - (3/1_000)</gadget>
<output>-993/1_000 = around -0.993</output>

<gadget id="calculator">1 + (-993/1_000)</gadget>
<output>7/1_000 = around 0.007</output>

<gadget id="calculator">(1/20) - 1</gadget>
<output>-19/20 = around -0.95</output>

<gadget id="calculator">1 + (-19/20)</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">(7/1_000) / (1/20)</gadget>
<output>7/50 = around 0.14</output>

<result>7/50 = around 0.14</result>