The price of a product is reduced by 20% first, and then the price is increased by 20%. At this time, the price is 4.8 yuan. What is the original price of this product?
一件商品先降价20%后，再涨价20%，这时价格为4.8元，这件商品的原价是多少元？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

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

<gadget id="calculator">4.8 / (6/5) / (4/5)</gadget>
<output>5</output>

<result>5</result>