The original price of a computer is 5,800 yuan, but now it is 800 yuan lower than before, how much more expensive than it is now
一台电脑，原价5800元，现在比原来降低了800元，原来比现在贵多少
<gadget id="calculator">5_800 - 800</gadget>
<output>5_000</output>

<gadget id="calculator">800 / 5_000</gadget>
<output>4/25 = around 0.16</output>

<result>4/25 = around 0.16</result>