The original price of a car is 100,000 yuan, and the current price is 85,000 yuan, how much has it been reduced.
一种小汽车原价是10万元，现价8.5万元，降低了多少．
<gadget id="calculator">10 - 8.5</gadget>
<output>1.5</output>

<gadget id="calculator">1.5 / 10</gadget>
<output>0.15</output>

<result>0.15</result>