The edge length of a cube oil tank is 4dm. Pour the whole tank of oil into a cuboid container with a length of 0.8m and a width of 25cm. What is the height of the oil?
一个正方体油箱的棱长为4dm，将整箱油倒入一个长0.8m，宽25cm的长方体容器里，油的高度是多少？
<gadget id="calculator">0.8 * 10</gadget>
<output>8</output>

<gadget id="calculator">25 / 10</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">8 * (5/2)</gadget>
<output>20</output>

<gadget id="calculator">4 / 20</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">4 * 4 * (1/5)</gadget>
<output>16/5 = around 3.2</output>

<result>16/5 = around 3.2</result>