A cube of iron with a side length of 12dm is melted and cast into a cylindrical iron block with a height of 9dm. What is the area of the base of the cylindrical iron block?
把一个棱长为12dm的正方体铁块，熔铸成高是9dm的圆柱形铁块．圆柱形铁块的底面积是多少平方分米？
<gadget id="calculator">12 / 9</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">12 * 12 * (4/3)</gadget>
<output>192</output>

<result>192</result>