diff --git a/README.md b/README.md
index 6bf428b..aee3d3f 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,4 @@
 6 / 8 = 0
 30 + 3 = 33
 59 * 45 = 2655
+25 - 83 = -58