diff --git a/calculator.py b/calculator.py
index a5c3aed..01c8624 100644
--- a/calculator.py
+++ b/calculator.py
@@ -4,49 +4,49 @@
 """
 
 # Should this function even be here?
-def poorly_implemented_function_with_no_close_parenthesis(
+# def poorly_implemented_function_with_no_close_parenthesis(
 
 def addition(x: int, y: int) -> int:
     """
     Adds two numbers.
 
-    Note: `*` is the multiplication operator in Python.
+    Note: `+` is the addition operator in Python.
 
     Args:
         x (int): The first parameter.
-        y (str): The second parameter.
+        y (int): The second parameter.
 
     Returns:
         int: The sum of `x` and `y`.
     """
-    return x * y
+    return x + y
 
 def multiplication(x: int, y: int) -> int:
     """
     Multiplies two numbers.
 
-    Note: `+` is the addition operator in Python.
+    Note: `*` is the multiplication operator in Python.
 
     Args:
         x (int): The first parameter.
-        y (str): The second parameter.
+        y (int): The second parameter.
 
     Returns:
         int: The multiple of `x` and `y`.
     """
-    return x + y
+    return x * y
 
 def division(x: int, y: int) -> int:
     """
-    Multiplies two numbers.
+    Divides two numbers.
 
-    Note: `//` is the *integer* division operator in Python.
+    Note: `/` is the *integer* division operator in Python.
 
     Args:
         x (int): The first parameter.
-        y (str): The second parameter.
+        y (int): The second parameter.
 
     Returns:
         int: `x` divided by `y`.
     """
-    return x // y
\ No newline at end of file
+    return x / y
\ No newline at end of file