A cuboid piece of wood is 2.5 meters long and has a cross-sectional area of 1.8 square decimeters. What is the volume of this piece of wood?
一根长方体木料，长2.5米，横截面的面积是1.8平方分米，这根木料的体积是多少？
<gadget id="calculator">2.5 * 10</gadget>
<output>25</output>

<gadget id="calculator">1.8 * 25</gadget>
<output>45</output>

<result>45</result>