A glass goldfish bowl without a cover, with a side length of 6 decimeters, can hold up to how many liters of water.
一个无盖的玻璃金鱼缸，棱长6分米，最多能容水多少升．
<gadget id="calculator">6 * 6 * 6</gadget>
<output>216</output>

<result>216</result>