A cuboid log is 5m long and its volume is 0.2m**3. What is the cross-sectional area of this log in m**2?
一根长方体木料长5m，体积是0.2m**3，这根木料的横截面面积是多少m**2．
<gadget id="calculator">0.2 / 5</gadget>
<output>0.04</output>

<result>0.04</result>