A cuboid has a length of 10 cm and a width of 10 cm. When the height is increased by 4 cm, it becomes a cube. At this time, how many square centimeters does the surface area increase?
一个长方体，长10厘米，宽10厘米，高增加4厘米后成为一个正方体，这时，表面积增加了多少平方厘米？
<gadget id="calculator">10 * 4 * 4</gadget>
<output>160</output>

<result>160</result>