What is the increase in surface area in square centimeters when a cube with side length 5 cm is cut into 3 cuboids?
把棱长5厘米的正方体切成3个长方体后，表面积增加多少平方厘米．
<gadget id="calculator">5 * 5 * 4</gadget>
<output>100</output>

<result>100</result>