diff --git a/README.md b/README.md
index 9ab5cc1..e8ea381 100644
--- a/README.md
+++ b/README.md
@@ -41,3 +41,4 @@
 27 / 3 = 9
 73 + 43 = 116
 89 / 1 = 89
+92 - 88 = 4