There are 180 bags of rice at the cargo station, and (1/3) have been shipped away. How many bags are left?
货站有大米180袋，已经运走了(1/3)，还剩下多少袋没运走？
<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">180 * (2/3)</gadget>
<output>120</output>

<result>120</result>