The volume of a cuboid log is 4.5 cubic decimeters, the cross-sectional area is 0.5 cubic decimeters, how many decimeters is the length of the log.
一根长方体木料的体积是4.5立方分米，横截面的面积是0.5立方分米，木料的长有多少分米．
<gadget id="calculator">4.5 / 0.5</gadget>
<output>9</output>

<result>9</result>