There are two warehouses. The first warehouse has 3600 tons of cement. Take out (1/5) and put it into the second warehouse. The two warehouses have the same amount of cement. How many tons of cement does the second warehouse have?
有两个仓库，第一仓库有水泥3600吨，取出(1/5)放入第二仓库，两个仓库水泥一样多，原来第二仓库有水泥多少吨？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">3_600 * (4/5)</gadget>
<output>2_880</output>

<gadget id="calculator">3_600 * (1/5)</gadget>
<output>720</output>

<gadget id="calculator">2_880 - 720</gadget>
<output>2_160</output>

<result>2_160</result>