The length of a cuboid is 15 cm, the width is 12 cm, and the height is 10 cm. After dividing the block into three cuboids, how many square centimeters can its surface area increase?
一个长方体木块的长是15厘米，宽是12厘米，高是10厘米，把这个木块平均分成三块长方体后，它的表面积最多可以增加多少平方厘米．
<gadget id="calculator">15 * 12 * 4</gadget>
<output>720</output>

<result>720</result>