The article's headline suggests a critical, opinion-style piece questioning how the Government plans to fund its ambitious spending commitments, pointing to what it characterises as loose, back-of-an-envelope calculations attributed to Andy Burnham, the Mayor of Greater Manchester. The piece appears to be a commentary on the credibility of Labour's fiscal planning rather than a straight news report.

Unfortunately, the full body text of this article was not available in the content retrieved, so specific figures, quotes or details behind the "fag packet arithmetic" claim cannot be confirmed or summarised here. The surrounding page instead lists unrelated Daily Mail headlines, including ongoing controversy over Burnham's proposals to release Andrew Harper's killers early from prison, which may be linked to the broader criticism of his judgement referenced in this piece.