A bag of potatoes, eat (1/6) of it, eat 3 kg, how many kg does this bag of potatoes have?
一袋土豆，吃了它的(1/6)，吃了3千克，这袋土豆原有多少千克．
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">3 / (1/6)</gadget>
<output>18</output>

<result>18</result>