The original price of a refrigerator is 3,000 yuan, and it is sold at a 20% discount on festivals. What is the current price?
一台冰箱原价3000元，节日打八折出售，现价多少元．
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">3_000 * (4/5)</gadget>
<output>2_400</output>

<result>2_400</result>