refactor: Sum and equal sign

src/main/java/src/TasksFrame.java

@@ -143,7 +143,7 @@ public class TasksFrame extends JFrame {
         y.setVisible(true);
 
         JTextField result = new JTextField();
-        result.setBounds(100,50,30,20);
+        result.setBounds(100,50,40,20);
         result.setVisible(true);
 
         JButton difference = new JButton("Difference");
@@ -180,12 +180,22 @@ public class TasksFrame extends JFrame {
         a.setBounds(10, 50, 30, 20);
         a.setVisible(true);
 
+        JLabel sum = new JLabel();
+        sum.setBounds(40, 50, 10, 20);
+        sum.setVisible(true);
+        sum.setText("+");
+
         JTextField b = new JTextField();
         b.setBounds(50, 50, 30, 20);
         b.setVisible(true);
 
+        JLabel equal = new JLabel();
+        equal.setBounds(90, 50, 30, 20);
+        equal.setVisible(true);
+        equal.setText("=");
+
         JTextField result = new JTextField();
-        result.setBounds(100, 50, 30, 20);
+        result.setBounds(100, 50, 40, 20);
         result.setVisible(true);
 
         JButton add = new JButton("add");
@@ -205,8 +215,10 @@ public class TasksFrame extends JFrame {
 
         jPanel.add(a);
         jPanel.add(b);
+        jPanel.add(equal);
         jPanel.add(result);
         jPanel.add(add);
+        jPanel.add(sum);
 
 
     }