diff --git a/jedi/evaluate/precedence.py b/jedi/evaluate/precedence.py
index 01cb1956..6375c13e 100644
--- a/jedi/evaluate/precedence.py
+++ b/jedi/evaluate/precedence.py
@@ -250,6 +250,8 @@ def _element_calculate(evaluator, left, operator, right):
         # for iterables, ignore * operations
         if isinstance(left, iterable.Array) or _is_string(left):
             return [left]
+        elif isinstance(right, iterable.Array) or _is_string(right):
+            return [right]
     elif operator == '+':
         if _is_number(left) and _is_number(right) or _is_string(left) and _is_string(right):
             return [create(evaluator, left.obj + right.obj)]
diff --git a/test/completion/arrays.py b/test/completion/arrays.py
index 0d9ec8bd..70f58643 100644
--- a/test/completion/arrays.py
+++ b/test/completion/arrays.py
@@ -56,14 +56,6 @@ a = ['']*2
 #? list()
 a
 
-a = 2*2
-#? int()
-a
-
-a = "a"*3
-#? str()
-a
-
 # -----------------
 # tuple assignments
 # -----------------
diff --git a/test/completion/precedence.py b/test/completion/precedence.py
index 8be4c924..552cf516 100644
--- a/test/completion/precedence.py
+++ b/test/completion/precedence.py
@@ -41,6 +41,14 @@ x = 'upp' + 'e'
 #? str.upper
 getattr(str, x + 'r')
 
+a = "a"*3
+#? str()
+a
+a = 3 * "a"
+#? str()
+a
+
+
 # -----------------
 # assignments
 # -----------------