A piece of cuboid wood with a cross-section of 1.4 square decimeters and a length of 5 decimeters, if each cubic decimeter of wood weighs 1.5 kilograms, how many kilograms does this piece of wood weigh?
一块横截面是1.4平方分米的长方体木料，长5分米，如果每立方分米木料重1.5千克，这块木料重多少千克？
<gadget id="calculator">1.4 * 5 * 1.5</gadget>
<output>10.5</output>

<result>10.5</result>