store opened for promotion, and all products were sold at a 25% discount. My mother bought a pair of shoes and spent 180 yuan. What is the original price of these shoes?
某商店开业促销，所有商品一律七五折出售，妈妈买一双鞋花了180元，这双鞋原价多少元．
<gadget id="calculator">75 / 100</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">180 / (3/4)</gadget>
<output>240</output>

<result>240</result>