diff --git a/README.md b/README.md
index 6d702f3..1db2102 100644
--- a/README.md
+++ b/README.md
@@ -31,3 +31,4 @@
 90 * 79 = 7110
 90 - 47 = 43
 42 / 6 = 7
+68 + 67 = 135