cuboid iron bucket, the bottom is a square with a side length of 1 decimeter, and the sides are also squares. How many liters of water can it hold?
一个长方体铁皮水桶，底面是边长为1分米的正方形，侧面展开也是正方形．它最多能盛水多少升？
<gadget id="calculator">1 * 4</gadget>
<output>4</output>

<gadget id="calculator">1 * 1 * 4</gadget>
<output>4</output>

<result>4</result>