A cube pool with side length 5 decimeters, the water surface is 2 decimeters below the mouth of the pool, what is the volume of water in liters?
一个棱长是5分米的正方体水池，蓄水的水面低于池口2分米，水的体积是多少升．
<gadget id="calculator">5 - 2</gadget>
<output>3</output>

<gadget id="calculator">5 * 5 * 3</gadget>
<output>75</output>

<result>75</result>