To divide a rectangle with a length of 60 cm and a width of 45 cm into small squares of equal area, what is the maximum area of each small square in square centimeters?
要将长为60厘米，宽为45厘米的长方形划分为面积相等的小正方形，那么每个小正方形的面积最大是多少平方厘米．
<gadget id="calculator">5 * 3</gadget>
<output>15</output>

<gadget id="calculator">15 * 15</gadget>
<output>225</output>

<result>225</result>