A sweater is sold at a 20% discount, and the current price is 24 yuan lower than the original price. How much is the original price of this sweater?
一件毛衣打8折出售，现价比原价降低了24元，这件毛衣原价是多少元？
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1 - (4/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">24 / (1/5)</gadget>
<output>120</output>

<result>120</result>