The shape of a glass aquarium without a cover is a cube with a side length of 3.6 decimeters. How many square decimeters of glass are needed to make this aquarium?
一个无盖玻璃鱼缸的形状是正方体，棱长为3.6分米，制作这个鱼缸至少需要多少平方分米的玻璃？
<gadget id="calculator">3.6 * 3.6 * 5</gadget>
<output>64.8</output>

<result>64.8</result>