Hi martin_p_s
welcome to the Apple (user-to-user) Community.
Re: "Cancelled gift card and no money back" :
"After 4 hours still in processing status. Because of the delay, I cancelled it".
Wondering where you were "processing" the gift card ?
Seems Apple Gift Cards can not be exchanged for Cash:
What you can buy with your Apple Gift Card or Apple Account balance - Apple Support
A Gift Card generally needs to be redeemed so the funds are available for use:
How to redeem your Apple Gift Card or App Store & iTunes gift card - Apple Support
What to do: If you can't redeem your Apple Gift Card or App Store & iTunes Gift Card - Apple Support
If needed: See the article below for what payment methods you can use in your country or region:
(ie: Are gift cards listed) Payment methods that you can use with your Apple ID - Apple Support
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More support if needed:
Official Apple Support
See a list of Apple phone numbers around the world
Contact Apple for support and service - Apple Support
All the best :-)