cube with a side length of 4 decimeters is surrounded by tempered glass. How much glass is used to make a fish tank?
一个正方体的棱长是4分米的鱼缸，四周是用钢化玻璃制成，制作一个鱼缸要用多少玻璃？
<gadget id="calculator">4 * 4 * 4</gadget>
<output>64</output>

<result>64</result>