If a rectangle with a length of 6 cm and a width of 4 cm is enlarged by 5:1, what is the area of the obtained figure in square centimeters?
把一个长6cm、宽4cm的长方形按5：1放大，得到的图形的面积是多少平方厘米？
<gadget id="calculator">6 * 5</gadget>
<output>30</output>

<gadget id="calculator">4 * 5</gadget>
<output>20</output>

<gadget id="calculator">30 * 20</gadget>
<output>600</output>

<result>600</result>