diff --git a/README.md b/README.md
index e89b29e..635b8c4 100644
--- a/README.md
+++ b/README.md
@@ -41,3 +41,4 @@
 54 * 81 = 4374
 94 - 6 = 88
 95 / 6 = 15
+2 - 29 = -27