diff --git a/README.md b/README.md
index 2ba46d3..392e9b0 100644
--- a/README.md
+++ b/README.md
@@ -41,3 +41,4 @@
 66 - 88 = -22
 100 - 100 = 0
 93 + 2 = 95
+21 + 44 = 65