RTP and house edge describe the long-run maths, not what you’ll get back in one...

https://www.bookmarking-base.win/rtp-is-a-long-run-average-the-house-edge-is-the-casino-s-expected-share-96

RTP and house edge describe the long-run maths, not what you’ll get back in one session: 96% RTP means a 4% house edge on the amount wagered