A refrigerator is priced at 2,400 yuan each after a 20% discount. What is the original price of this kind of refrigerator?
一台电冰箱打八折后每台售价2400元，这种电冰箱原价多少元．
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

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

<result>3_000</result>