Xiaoliang's father wants to make a cube glass goldfish tank with a side length of 60cm, at least how much glass is needed in dm**2.
小亮的爸爸要做一个棱长60cm的正方体玻璃金鱼缸，至少需要玻璃多少dm**2．
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">60 * 60 * (1/20)</gadget>
<output>180</output>

<result>180</result>