The original price of a stereo is 1,000 yuan, and the price is reduced (3/20) for sale. What is the current price?
一种音响原价1000元，现降价(3/20)出售，现售价为多少元．
<gadget id="calculator">3 / 20</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">1 - (3/20)</gadget>
<output>17/20 = around 0.85</output>

<gadget id="calculator">1_000 * (17/20)</gadget>
<output>850</output>

<result>850</result>