Mad Factory

In a factory, there are 2 identical solid blocks of iron.When the first block is melted and recast into spheres of equal radii \(r\) ,then 14 cubic cm of iron was left. When the second block was melted and recast into spheres each of equal radii \(2r\), then 36 cubic cm of iron was left.The volumes of solid blocks and all the spheres are integers. What is the volume of each of the larger spheres o radius \(2r\) (In cubic cm)?

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