diff --git a/README.md b/README.md
index 705da5c..36bca61 100644
--- a/README.md
+++ b/README.md
@@ -41,3 +41,4 @@
 62 + 7 = 69
 19 * 5 = 95
 90 * 96 = 8640
+88 - 25 = 63