A kind of 8G U-disk, due to market adjustment needs, 25% off at first, and then increased by 3 yuan, so the current price is still 20% lower than the original price, how much is the current price of this U-disk?
一种8G的U盘，因市场调节需要，先打七五折，后来又提高3元，这样现价仍比原价低20%，这种U盘的现价是多少元？
<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">75 / 100</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(4/5) - (3/4)</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">3 / (1/20)</gadget>
<output>60</output>

<gadget id="calculator">60 * (4/5)</gadget>
<output>48</output>

<result>48</result>