White sugar is 300 kg more than brown sugar, brown sugar is less than white sugar (3/5), how many kg is white sugar?
白糖比红糖多300千克，红糖比白糖少(3/5)，白糖有多少千克．
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">300 / (3/5)</gadget>
<output>500</output>

<result>500</result>