The two piles of cargo A and B weigh a total of 120 tons. A shipped out (1/3), and B also shipped out (1/3). At this time, how many tons are left in the two piles of cargo?
甲乙两堆货物共重120吨，甲运出(1/3)，乙也运出(1/3)，这时两堆货物共剩下多少吨．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">120 * (2/3)</gadget>
<output>80</output>

<result>80</result>