A rectangle whose length and width are 12 cm and 8 cm respectively, what is the area of the rectangle after it is enlarged by 2:1?
一个长方形，长和宽分别是12厘米和8厘米，按2：1放大后，长方形的面积是多少平方厘米．
<gadget id="calculator">12 * 2</gadget>
<output>24</output>

<gadget id="calculator">8 * 2</gadget>
<output>16</output>

<gadget id="calculator">24 * 16</gadget>
<output>384</output>

<result>384</result>