diff --git a/app/src/main/java/io/github/yamin8000/dooz/content/game/GameContent.kt b/app/src/main/java/io/github/yamin8000/dooz/content/game/GameContent.kt
index dd42c00..107eec3 100644
--- a/app/src/main/java/io/github/yamin8000/dooz/content/game/GameContent.kt
+++ b/app/src/main/java/io/github/yamin8000/dooz/content/game/GameContent.kt
@@ -283,7 +283,7 @@ private fun GameBoard(
     val boxPadding = 16.dp
     val boxSize = screenWidth - (2 * boxPadding.value).dp
     val itemMargin = 8.dp
-    val boxItemSize = ((boxSize.value - ((itemMargin.value * (gameSize - 1)))) / gameSize).dp
+    val boxItemSize = ((boxSize.value - itemMargin.value * (gameSize - 1)) / gameSize).dp
 
     LazyVerticalGrid(
         modifier = Modifier.size(boxSize),