If a product is sold after a 20% price cut, it can still earn a 6% profit. What is the profit margin of the commodity before the price reduction?
某件商品降价20%后出售仍可获得6%的利润．则该商品降价前的利润率是多少？
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">6 / 100</gadget>
<output>3/50 = around 0.06</output>

<gadget id="calculator">1 + (3/50)</gadget>
<output>53/50 = around 1.06</output>

<gadget id="calculator">(4/5) / (53/50)</gadget>
<output>40/53 = around 0.754717</output>

<gadget id="calculator">1 * (40/53)</gadget>
<output>40/53 = around 0.754717</output>

<gadget id="calculator">1 - (40/53)</gadget>
<output>13/53 = around 0.245283</output>

<gadget id="calculator">(13/53) / (40/53)</gadget>
<output>13/40 = around 0.325</output>

<result>13/40 = around 0.325</result>