diff --git a/README.md b/README.md
index 57fc75d..9132798 100644
--- a/README.md
+++ b/README.md
@@ -41,3 +41,4 @@
 77 / 8 = 9
 84 - 73 = 11
 8 - 73 = -65
+78 + 89 = 167