Candy floss

What length of candy floss can Rita spin from her cylinder of sugar?
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Problem



Rita is making candy floss at home.

She melts a cylinder of sugar with diameter 3 cm and length 4 cm.

She then spins it into a long cylindrical strand of diameter 1 mm.

Assuming that the melting and spinning does not affect the volume of the sugar, how long is the strand of candy floss?