diff --git a/README.md b/README.md
index df8cb25..07024ec 100644
--- a/README.md
+++ b/README.md
@@ -41,3 +41,4 @@
 90 * 96 = 8640
 88 - 25 = 63
 99 / 7 = 14
+70 - 56 = 14