A cube glass aquarium (without cover) with a side length of 6dm, how many square meters of glass is needed to make 10 such aquariums?
一个正方体玻璃鱼缸(无盖)，棱长6dm，制作10个这样的鱼缸至少需要多少平方米的玻璃？
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">6 * 6 * (1/20)</gadget>
<output>9/5 = around 1.8</output>

<result>9/5 = around 1.8</result>