The original price of a piece of clothing is 160 yuan, and the current price is 120 yuan. How much is the current price lower than the original price?
一件衣服原价160元，现价120元，现价比原价降低了百分之几？
<gadget id="calculator">160 - 120</gadget>
<output>40</output>

<gadget id="calculator">40 / 160</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>