A batch of rice, eat (2/5) of it on the first day, which is exactly 120 kilograms, and eat less (1/6) on the second day than the first day, how many kilograms are left at this time?
一批大米，第一天吃了它的(2/5)，刚好是120千克，第二天比第一天少吃(1/6)，这时还剩多少千克？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">120 / (2/5)</gadget>
<output>300</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 - (1/6)</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">120 * (5/6)</gadget>
<output>100</output>

<gadget id="calculator">300 - 120 - 100</gadget>
<output>80</output>

<result>80</result>