fixes #1113 boo

src/main/java/carpet/script/language/Arithmetic.java

@@ -29,6 +29,10 @@ public class Arithmetic {
                 }
                 return new NumericValue(factorial);
             }
+            else if (number > 170)
+            {
+                return NumericValue.of(Double.MAX_VALUE);
+            }
             // values over 21 will exceed long limits
             double factorial = 1.0;
             for (int i = 1; i <= number; i++)