A rectangle with a length of 6 cm and a width of 4 cm is enlarged by 4:1, what is the area of the figure obtained in square centimeters?
一个长6厘米，宽4厘米的长方形按4：1放大，得到的图形面积是多少平方厘米．
<gadget id="calculator">6 * 4</gadget>
<output>24</output>

<gadget id="calculator">4 * 4</gadget>
<output>16</output>

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

<result>384</result>