The side view of a cylinder is a square with a side length of 942dm, find its surface area.
一个圆柱体的侧面展开图是一个边长为942dm的正方形，求它的表面积．
<gadget id="calculator">70_650 + 887_364</gadget>
<output>958_014</output>

<result>958_014</result>