There is a bag of rice, 40% of which is eaten, and 12 kilograms are added. At this time, the rice in the bag is 10% more than the original. How many kilograms is this bag of rice?
有一袋米，吃了40%，又加入12千克，这时袋中米的比原来多10%．原来这袋米多少千克？
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(2/5) - 1</gadget>
<output>-3/5 = around -0.6</output>

<gadget id="calculator">1 + (1/10) + (-3/5)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">12 / (1/2)</gadget>
<output>24</output>

<result>24</result>