diff --git a/README.md b/README.md
index 06ed379..a6afb1a 100644
--- a/README.md
+++ b/README.md
@@ -41,3 +41,4 @@
 73 + 35 = 108
 70 / 10 = 7
 99 - 68 = 31
+76 - 63 = 13