A product is sold at a 15% discount, and the price has been reduced by 450 yuan. How much does it cost to buy this product now?
一种商品打八五折后出售，售价降低了450元，现在买这种商品需要多少元？
<gadget id="calculator">85 / 100</gadget>
<output>17/20 = around 0.85</output>

<gadget id="calculator">1 - (17/20)</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">450 / (3/20)</gadget>
<output>3_000</output>

<gadget id="calculator">3_000 * (17/20)</gadget>
<output>2_550</output>

<result>2_550</result>