diff --git a/README.md b/README.md
index 1000d86..beae0d9 100644
--- a/README.md
+++ b/README.md
@@ -42,3 +42,4 @@
 26 / 7 = 3
 57 / 4 = 14
 24 + 96 = 120
+8 + 15 = 23