Use glass to make a cuboid goldfish bowl with a length of 1.2 meters, a width of 5 decimeters, and a height of 0.6 meters. How much glass is needed to make this goldfish bowl?
用玻璃做一个长1.2米，宽5分米，高0.6米的长方体金鱼缸，做这个金鱼缸要多少玻璃？
<gadget id="calculator">5 / 10</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1.2 * (1/2)</gadget>
<output>0.6</output>

<gadget id="calculator">1.2 * 0.6</gadget>
<output>0.72</output>

<gadget id="calculator">(1/2) * 0.6</gadget>
<output>0.3</output>

<gadget id="calculator">0.72 + 0.3</gadget>
<output>1.02</output>

<gadget id="calculator">1.02 * 2</gadget>
<output>2.04</output>

<gadget id="calculator">0.6 + 2.04</gadget>
<output>2.64</output>

<result>2.64</result>