The current price of each Lenovo brand computer is 6,000 yuan, which is 400 yuan lower than the original price. How much is the reduction?
联想牌电脑现在每台的价格是6000元，比原价降低400元，降低了百分之几？
<gadget id="calculator">6_000 + 400</gadget>
<output>6_400</output>

<gadget id="calculator">400 / 6_400</gadget>
<output>1/16 = around 0.0625</output>

<result>1/16 = around 0.0625</result>