A store has bought a batch of clothes, and all of them will be priced more (1/4) than the purchase price. After January, due to weather changes, this batch of clothes will be sold at a 20% discount. Now a piece of clothes is priced at 120 yuan. How much is the purchase price?
某商店进了一批衣服，一律按比进价多(1/4)进行标价．一月后由于天气变化，这批衣服打八折出售，现一件售价为120元的衣服，进货价格是多少元？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(5/4) * (4/5)</gadget>
<output>1</output>

<gadget id="calculator">120 / 1</gadget>
<output>120</output>

<result>120</result>