1 files changed, 3 insertions, 1 deletions
diff --git a/main/core/parser/ast/AdditionNode.java b/main/core/parser/ast/AdditionNode.java
index 3117e41..f6ebc84 100644
--- a/main/core/parser/ast/AdditionNode.java
+++ b/main/core/parser/ast/AdditionNode.java
@@ -29,6 +29,8 @@ public class AdditionNode extends ExpressionNode {
 
     @Override
     public DataContainer evaluate() {
-        return null;
+        DataContainer lhs = this.lhs.evaluate();
+        DataContainer rhs = this.rhs.evaluate();
+        return lhs.add(rhs);
     }
 }