A cylindrical stick with a length of 4 decimeters and a base area of 28.26 cm2, if it is sawn into 3 equal sections along the direction parallel to the base, how many cm2 will the surface area increase?
一根长4分米，底面积是28.26平方厘米的圆柱形木棒，如果沿着底面平行的方向锯成相等的3段，表面积增加多少平方厘米．
<gadget id="calculator">28.26 * 4</gadget>
<output>113.04</output>

<result>113.04</result>