A square steel with an edge length of 8 cm is forged into a cuboid steel with a cross-sectional area of 4 square cm. How long is the cuboid steel

A square steel with an edge length of 8 cm is forged into a cuboid steel with a cross-sectional area of 4 square cm. How long is the cuboid steel

The length of this cuboid steel: (8 × 8 × 8) △ 4 = 128 cm