A bag of cabbage, 1/3 of which is eaten, is exactly 10 kilograms. How many kilograms does this bag of cabbage originally weigh?
一袋白菜，吃了它的(1/3)，刚好10千克，这袋白菜原来有多少千克．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">10 / (1/3)</gadget>
<output>30</output>

<result>30</result>