A cuboid of wood, the left and right sides are squares, and the total area of the remaining 4 sides is 7.2 square meters. This piece of wood is 4.5 meters long, what is its volume in cubic meters?
一根长方体木料，左右两个面是正方形，其余4个面的总面积是7.2平方米．这根木料长4.5米，它的体积是多少立方米？
<gadget id="calculator">7.2 / 4.5 / 4</gadget>
<output>0.4</output>

<gadget id="calculator">0.4 * 0.4 * 4.5</gadget>
<output>0.72</output>

<result>0.72</result>