Pour 100 liters of water into a cubic empty tank with a side length of 5 decimeters. What is the depth of the water in decimeters?
把100升水倒入一个棱长5分米的正方体空水槽中，水深多少分米．
<gadget id="calculator">5 * 5</gadget>
<output>25</output>

<gadget id="calculator">100 / 25</gadget>
<output>4</output>

<result>4</result>