diff --git a/README.md b/README.md
index 095e16a..cf46874 100644
--- a/README.md
+++ b/README.md
@@ -25,3 +25,4 @@
 44 / 10 = 4
 80 - 80 = 0
 51 / 10 = 5
+65 - 38 = 27