The current price of an air conditioner is 2,100 yuan, which is 300 yuan lower than the original price. How much is the reduction?
一种空调现价2100元，比原价降低了300元，降低了百分之几？
<gadget id="calculator">2_100 + 300</gadget>
<output>2_400</output>

<gadget id="calculator">300 / 2_400</gadget>
<output>1/8 = around 0.125</output>

<result>1/8 = around 0.125</result>