The current price of a rice cooker is 120 yuan, which is 40 yuan cheaper than the original price. How much is the price of the rice cooker reduced by?
一个电饭煲的现价是120元，比原价便宜40元，电饭煲的价格降低了百分之几？
<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>