diff --git a/kern/number.go b/kern/number.go
index bf1b85c..30ba440 100644
--- a/kern/number.go
+++ b/kern/number.go
@@ -65,6 +65,38 @@ func AnyInteger(v any) (i int64, ok bool) {
 	return
 }
 
+func FixAnyNumber(v any) (fixed any) {
+	switch unboxed := v.(type) {
+	case int:
+		fixed = int64(unboxed)
+	case int8:
+		fixed = int64(unboxed)
+	case int16:
+		fixed = int64(unboxed)
+	case int32:
+		fixed = int64(unboxed)
+	case uint:
+		fixed = int64(unboxed)
+	case uint8:
+		fixed = int64(unboxed)
+	case uint16:
+		fixed = int64(unboxed)
+	case uint32:
+		fixed = int64(unboxed)
+	case uint64:
+		if unboxed <= MaxUint64Allowed {
+			fixed = int64(unboxed)
+		} else {
+			fixed = float64(unboxed)
+		}
+	case float32:
+		fixed = float64(unboxed)
+	default:
+		fixed = v
+	}
+	return
+}
+
 func ToGoInt(value any, description string) (i int, err error) {
 	if valueInt64, ok := value.(int64); ok {
 		i = int(valueInt64)
diff --git a/t_list_test.go b/t_list_test.go
index ef8a822..6abbe2f 100644
--- a/t_list_test.go
+++ b/t_list_test.go
@@ -70,7 +70,7 @@ func TestLinkedListParser(t *testing.T) {
 	section := "Linked-List"
 
 	inputs := []inputType{
-		/*   1 */ {`[<1,2>]`, kern.NewLinkedListA(int64(1), int64(2)), nil},
+		/*   1 */ {`[<1,2>]`, kern.NewLinkedListA(1, 2), nil},
 	}
 
 	// t.Setenv("EXPR_PATH", ".")