A batch of rice was shipped from the cafeteria, and (3/5) of it was used up, leaving 240 kg. How many kg of rice was originally shipped?
食堂运来一批大米，用去其中的(3/5)，还剩240千克，原来运来大米多少千克？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">240 / (2/5)</gadget>
<output>600</output>

<result>600</result>