Does Rishi Sunak's maths calculation add up?

Rishi Sunak says the UK has an 'anti maths mindset' and that low levels of numeracy are damaging the economy. Will studying maths until the age of 18 solve the problem?David Aaronovitch talks to:Branwen Jeffreys, the BBC's Education Editor Andreas Schleicher, OECD Director for Education and Skills Paul Johnson, Director of the Institute for Fiscal Studies Emma Lark, Associate Dean Ambition Institute leading the Master's in Expert Teaching Rob Eastaway, author and director of Maths InspirationProduced by: Kirsteen Knight, Claire Bowes and Ben Carter Edited by: Richard Vadon Sound engineer: Graham Puddifoot Production co-ordinator: Siobhan Reed and Sophie Hill