The volume of a cuboid is 10 cubic decimeters. If the area of the base remains the same and the height is tripled, what is the volume in cubic decimeters?
一个长方体的体积是10立方分米，若底面积不变，高扩大3倍，则体积变为多少立方分米
<gadget id="calculator">10 * 3</gadget>
<output>30</output>

<result>30</result>