The price of a certain product is reduced by 20% for the first time, and the price is reduced by 10% for the second time. The current price is 423 yuan. What is the original price of this product?
某商品第一次降价20%，第二次又降价10%，现价是423元，这个商品的原价是多少元？
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">423 / (9/10) / (4/5)</gadget>
<output>1_175/2 = around 587.5</output>

<result>1_175/2 = around 587.5</result>