cuboid of wood is 2 meters long and has a base area of 25 square centimeters. If it is divided into two pieces of 1 meter long, how many square centimeters will the surface area increase?
一根长方体木料，长2米，底面积是25平方厘米，如果把它分成1米长的两段，表面积增加多少平方厘米
<gadget id="calculator">25 * 2</gadget>
<output>50</output>

<result>50</result>