Engage in activities on New Year's Day. A TV of a certain brand whose original price was 3,500 yuan is now 25% off. How much is it cheaper than the original price?
元旦搞活动．原价3500元的某品牌电视，现在打七五折，比原来的价格便宜多少元？
<gadget id="calculator">75 / 100</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">3_500 * (3/4)</gadget>
<output>2_625</output>

<gadget id="calculator">3_500 - 2_625</gadget>
<output>875</output>

<result>875</result>