A jacket is now priced at 120 yuan, which is 40 yuan cheaper than the original price. How much is the current price of this jacket cheaper than the original price?
一件上衣现在售价120元，比原价便宜40元，这件上衣现价比原价便宜了百分之几？
<gadget id="calculator">120 + 40</gadget>
<output>160</output>

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

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