The farm harvests 1,800 kilograms of potatoes, which is 40% less than cabbage. How many kilograms of cabbage are harvested?
农场收土豆1800千克，比白菜少40%，收白菜多少千克？
<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">1_800 / (3/5)</gadget>
<output>3_000</output>

<result>3_000</result>