diff --git a/README.md b/README.md
index e899457..91995a4 100644
--- a/README.md
+++ b/README.md
@@ -21,3 +21,4 @@
 65 * 76 = 4940
 4 - 79 = -75
 7 / 8 = 0
+12 - 7 = 5