The volume of a cuboid is 30dm**3, the length is 6dm, the width is 5dm, and the height is dm.
一个长方体的体积是30dm**3，长6dm，宽5dm，高是多少dm．
<gadget id="calculator">5 * 6</gadget>
<output>30</output>

<gadget id="calculator">30 / 30</gadget>
<output>1</output>

<result>1</result>