If a square is enlarged by 1.5 times, how many times the area of the obtained figure is the area of the original figure.
将一个正方形扩大1.5倍，得到的图形面积是原图面积的多少倍．
<gadget id="calculator">1.5 * 1.5</gadget>
<output>2.25</output>

<result>2.25</result>