A piece of wood 1 meter long has a square cross section. If it is sawed into 4 equal sections, the surface area increases by 24cm**2. What is the surface area of the wood in square centimeters?
1米长的木料，截面是正方形．把它锯成相等的4段，表面积增加24cm**2木料的表面积为多少平方厘米．
<gadget id="calculator">100 * 2 * 4</gadget>
<output>800</output>

<gadget id="calculator">4 * 2</gadget>
<output>8</output>

<gadget id="calculator">800 + 8</gadget>
<output>808</output>

<result>808</result>