During the National Day, all commodities in a supermarket are sold at the original price (7/8). A commodity is currently priced at 280 yuan, so how much is the original price?
国庆节期间，某超市的商品一律按原价的(7/8)出售，一种商品现在售价280元，那么原价多少元？
<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">280 / (7/8)</gadget>
<output>320</output>

<result>320</result>