diff --git a/README.md b/README.md
index 61ab7cd..1861ee1 100644
--- a/README.md
+++ b/README.md
@@ -19,3 +19,4 @@
 58 / 4 = 14
 27 - 80 = -53
 65 * 76 = 4940
+4 - 79 = -75