The original price of a commodity is 400 yuan, and now the price is reduced (1/8), how much is the current price?
一种商品原价400元，现在降价(1/8)，现在售价多少元？
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">1 - (1/8)</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">400 * (7/8)</gadget>
<output>350</output>

<result>350</result>