diff --git a/README.md b/README.md
index 0c47bd9..3c0ec83 100644
--- a/README.md
+++ b/README.md
@@ -5,3 +5,4 @@
 99 - 92 = 7
 69 - 54 = 15
 14 * 43 = 602
+8 + 5 = 13