diff --git a/README.md b/README.md
index 82c52c8..3970e20 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,6 @@
 90 * 96 = 8640
 88 - 25 = 63
 70 - 56 = 14
-57 * 13 = 741
 72 * 97 = 6984
 22 + 67 = 89
 23 - 1 = 22