diff --git a/README.md b/README.md
index 5f69187..92d7730 100644
--- a/README.md
+++ b/README.md
@@ -2,3 +2,4 @@
 32 - 82 = -50
 15 - 56 = -41
 9 / 3 = 3
+99 - 92 = 7