The original price of a product is 60 yuan, and now it is sold at 20% off, what is the current price
一件商品原价是60元，现在八折出售，现价是多少
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

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

<result>48</result>