If the length and width of a rectangle with an area of 48 square centimeters are enlarged to three times the original size, what is the area of the enlarged rectangle in square centimeters?
把一个面积为48平方厘米的长方形的长和宽分别扩大到原来的3倍，扩大后的长方形面积是多少平方厘米．
<gadget id="calculator">3 * 3 * 48</gadget>
<output>432</output>

<result>432</result>