A bicycle is priced at 240 yuan after a 20% discount. What is the original price of this bicycle?
一辆自行车打八折后售价240元，这辆自行车原价是多少元．
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">240 / (4/5)</gadget>
<output>300</output>

<result>300</result>