The length of a cuboid is doubled, the height is tripled, and the width remains the same. What is the volume of this cuboid?
长方体的长扩大为原来的2倍，高扩大为原来的3倍，宽不变，这个长方体的体积多少．
<gadget id="calculator">2 * 3</gadget>
<output>6</output>

<result>6</result>