cuboid wooden box has a length of 6dm, a width of 5dm, and a height of 4.5dm. What is its product?
一个长方体木箱的长6dm，宽5dm，高4.5dm，它的积是多少．
<gadget id="calculator">6 * 5 * 4.5</gadget>
<output>135</output>

<result>135</result>