A commodity is sold at a reduced price, the first time it is sold at 15% off the original price, and the second time it is sold at 30% off the original price. The second time is 60 yuan cheaper than the first time. How much is the original price of this product?
一种商品降价出售，第一次按原价的八五折出售，第二次按原价的七折出售．第二次比第一次便宜60元，这种商品原价多少元？
<gadget id="calculator">85 / 100</gadget>
<output>17/20 = around 0.85</output>

<gadget id="calculator">70 / 100</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">(17/20) - (7/10)</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">60 / (3/20)</gadget>
<output>400</output>

<result>400</result>