Make a rectangular parallelepiped frame with 180 cm wire. The ratio of length, width and height is 5:2:2. What is the volume of this cuboid?
用180厘米的铁丝做成一个长方体的框架．长、宽、高的比是5：2：2．这个长方体的体积是多少？
<gadget id="calculator">180 / 4</gadget>
<output>45</output>

<gadget id="calculator">5 + 2 + 2</gadget>
<output>9</output>

<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">45 * (5/9)</gadget>
<output>25</output>

<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">45 * (2/9)</gadget>
<output>10</output>

<gadget id="calculator">25 * 10 * 10</gadget>
<output>2_500</output>

<result>2_500</result>