Casino games offer two types of views for the current balance, often creating confusion in the player's mind.
Normally, the player receives a message saying that he has won a large amount and when he looks at his account a smaller amount has been deposited.
This is happening because you are seeing the in-game credit value (Game Coins) instead of the actual balance (Money in R$).
The equivalent of game coins was the total amount you received in Reais (R$) in your account.
If you want to change this view, you can access the game and click on the value shown, and you will be able to see it in real balance, as in the image below.
In this example, we have a comparison of the same value in Game Coins and Credit in Reais (R$).