There are 24 kilograms in a bag of rice. I ate (2/5) in the first week and 12 kilograms in the second week. How many kilograms are left?
一袋米有24千克，第一周吃了(2/5)，第二周吃了12千克，还剩多少千克？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

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

<gadget id="calculator">24 * (3/5)</gadget>
<output>72/5 = around 14.4</output>

<gadget id="calculator">(72/5) - 12</gadget>
<output>12/5 = around 2.4</output>

<result>12/5 = around 2.4</result>