If a cylinder with a base radius of 25.12 cm and a height of 14 cm is cut along the diameter, how much does the surface area increase in square centimeters?
一个底面半径为25.12厘米，高为14厘米的圆柱体，沿着直径方向切开，表面积增加多少平方厘米．
<gadget id="calculator">25.12 * 2 * 14 * 2</gadget>
<output>1_406.72</output>

<result>1_406.72</result>