diff --git a/README.md b/README.md
index 3705e6b..51fe032 100644
--- a/README.md
+++ b/README.md
@@ -41,3 +41,4 @@
 5 / 2 = 2
 37 + 58 = 95
 19 + 37 = 56
+23 + 58 = 81