The original price of a washing machine is 1,250 yuan, but the actual selling price is 1,200 yuan. How much is the actual selling price lower than the original price?
一台洗衣机的原价是1250元，实际售价为1200元，实际售价比原价降低了百分之几？
<gadget id="calculator">1_250 - 1_200</gadget>
<output>50</output>

<gadget id="calculator">50 / 1_250</gadget>
<output>1/25 = around 0.04</output>

<result>1/25 = around 0.04</result>