黄秀彤修改结果

src/Calculate.java

@@ -24,11 +24,8 @@ public class Calculate extends Application {
         display.setStyle("-fx-font-size: 30px;");
         display.setMinWidth(200);  // Adjust width for display
         display.setAlignment(Pos.CENTER_RIGHT);  // Align text to the right
-
-        // Set up the buttons
         GridPane gridPane = createButtonGrid();
 
-        // Create the layout
         VBox layout = new VBox(10);
         layout.setPadding(new Insets(10));
         layout.setAlignment(Pos.CENTER);