Scale up a rectangle with a length of 6cm and a width of 3cm according to the ratio of 4:1, what is the area of the figure in cm**2.
把一个长6cm、宽3cm的长方形，按4：1的比放大，得到图形的面积是多少cm**2．
<gadget id="calculator">6 * 4</gadget>
<output>24</output>

<gadget id="calculator">3 * 4</gadget>
<output>12</output>

<gadget id="calculator">24 * 12</gadget>
<output>288</output>

<result>288</result>