diff --git a/intro/Task104.py b/intro/Task104.py
index 876e71e..f169f3b 100644
--- a/intro/Task104.py
+++ b/intro/Task104.py
@@ -4,9 +4,9 @@
 """Rozwiązanie zadania 104."""
 
 def fahrenheit(number):
-    """Placeholder"""
+  
     if number < -273.15:
         return -459.67
-    number = number-273.15
+    number = (number-32)*5/9
     return number