If a cylinder of wood is cut into two sections along the cross section, its surface area will increase by 28.26 square centimeters; if it is split into two half cylinders along the diameter, the surface area will increase by 100 square centimeters. What is the surface area of the original cylinder in square centimeters?
一段圆柱体木料，如果沿横截面截成两段，它的表面积增加28.26平方厘米；如果沿着直径劈成两个半圆柱体，表面积将增加100平方厘米．原来圆柱体的表面积是多少平方厘米．
<gadget id="calculator">100 / 2 / 2</gadget>
<output>25</output>

<gadget id="calculator">6.28 * 25</gadget>
<output>157</output>

<gadget id="calculator">28.26 + 157</gadget>
<output>185.26</output>

<result>185.26</result>