The store shipped 500 kilograms of oranges, and after selling some, there was still (3/8), how many kilograms were sold?
商店运来500千克橘子，卖出一些后，还剩(3/8)，卖出多少千克？
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">1 - (3/8)</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">500 * (5/8)</gadget>
<output>625/2 = around 312.5</output>

<result>625/2 = around 312.5</result>