From Longman Dictionary of Contemporary Englishwalk away with something phrasal verb informalWINto win something easily And the lucky winner will walk away with a prize of £10,000. → walk→ See Verb table
Examples from the Corpus
walk away with • Baller walked away with $ 65 million of the $ 250 million award.• He will walk away with a reported golden handshake of £400,000.• They said some customers were using the certificates to make token purchases and walk away with cash. 