There is a wooden plank 72cm long and 60dm wide. Saw it into small square pieces of wood, and nothing remains. What is the largest area of each small square wooden block? (assuming there is no loss during the sawing process)
有一块木板长72cm，宽60dm．将它锯成正方形小木块，且没有剩余．每块正方形小木块的面积最大是多少？(假设锯的过程中无损耗)
<gadget id="calculator">2 * 2 * 3</gadget>
<output>12</output>

<gadget id="calculator">12 * 12</gadget>
<output>144</output>

<result>144</result>