The price of a commodity has been reduced twice in a row, and the average price of each reduction is 3.52 yuan. What is the original price of this commodity?
一种商品连续两次降价，每次平均降价两成后是3.52元，这种商品原价是多少元．
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">3.52 / (4/5)</gadget>
<output>4.4</output>

<gadget id="calculator">4.4 / (4/5)</gadget>
<output>5.5</output>

<result>5.5</result>