There is a batch of rice in the grain store. After 40% of the rice is sold, there are 360 kilograms left. How many kilograms of rice did the grain store have?
粮店有一批大米，卖出40%后，还剩360千克．粮店原来有大米多少千克？
<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">360 / (3/5)</gadget>
<output>600</output>

<result>600</result>