The original price of "Encyclopedia" is 480 yuan per set. During the "May 1st" period, a 25% discount will be implemented. How much can you save by buying a set of "Encyclopedia" during the "May 1st" period?
《百科全书》原价每套480元，"五一"期间实行七五折优惠，"五一"期间买一套《百科全书》可节省多少元．
<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">480 * (1/4)</gadget>
<output>120</output>

<result>120</result>