diff --git a/README.md b/README.md
index 88ec8af..1c331db 100644
--- a/README.md
+++ b/README.md
@@ -41,3 +41,4 @@
 27 * 9 = 243
 67 / 8 = 8
 59 / 8 = 7
+65 - 92 = -27