A 3.6-meter-long cuboid of wood has a set of opposite faces that are square, and the sum of the areas of the other four faces is 7.2 square meters. What is the volume of this wood in cubic meters?
一根长3.6米的长方体木料，其中有一组相对的面是正方形，其余四个面的面积之和是7.2平方米，这根木料的体积是多少立方米．
<gadget id="calculator">7.2 / 4 / 3.6</gadget>
<output>0.5</output>

<gadget id="calculator">0.5 * 0.5 * 3.6</gadget>
<output>0.9</output>

<result>0.9</result>