diff --git a/README.md b/README.md
index 57e4401..78e7896 100644
--- a/README.md
+++ b/README.md
@@ -41,3 +41,4 @@
 39 - 24 = 15
 23 * 42 = 966
 33 * 1 = 33
+15 + 63 = 78