Rising 2008 anti-virus software is sold at 25% off, which is 28 yuan cheaper. What is the original price?
瑞星2008版杀毒软件打七五折销售后，便宜了28元，原价是多少元．
<gadget id="calculator">75 / 100</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 - (3/4)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">28 / (1/4)</gadget>
<output>112</output>

<result>112</result>