The volume of a cuboid fuel tank is 20L. The length of the fuel tank is 25cm, the width is 20cm, and the height is how many centimeters?
一个长方体油箱的容积是20L，这个油箱里面的长为25cm，宽为20cm，高为多少厘米？
<gadget id="calculator">25 * 20</gadget>
<output>500</output>

<gadget id="calculator">1_000 / 500</gadget>
<output>2</output>

<gadget id="calculator">20 * 2</gadget>
<output>40</output>

<result>40</result>