A cuboid plank is 15 decimeters long, 8 decimeters wide, and 2 decimeters thick. Now it is required to be sawed only once. If it is cut into two smaller cuboids, how much square decimeters should the surface area be increased at least?
一块长方体木板长15分米，宽8分米，厚2分米，现要求只锯一次，把它锯成两块小一点的长方体，那么表面积最少增加多少平方分米？
<gadget id="calculator">8 * 2 * 2</gadget>
<output>32</output>

<result>32</result>