{"result":{"text":"v equals lambda f semicolon space space space space space space v subscript A over lambda subscript A equals v subscript B over lambda subscript B space space space space space space space space space space o r space space space space space space space space space space lambda subscript B equals v subscript B over v subscript A lambda subscript A equals 2 left parenthesis 2 right parenthesis equals 4 c m"},"status":"ok"}