diff --git a/src/index.ts b/src/index.ts
index 70917ca..7ce8c0c 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -52,7 +52,8 @@ export async function submit(
 	reason: string,
 	photos: Array<string>,
 	timestamp: Date,
-	contact_details: ContactDetails
+	contact_details: ContactDetails,
+	plate: string
 ) {
 	if (location.address.includes("\n")) {
 		throw new Error("no newlines allowed in address");
@@ -74,7 +75,9 @@ export async function submit(
 
 	const [date_str, hour] = formatTimestamp(timestamp);
 
-	const body = `Samochód ${reason || ""}. Zdjęci${
+	const body = `Samochód ${
+		reason || ""
+	}. Numer rejestracyjny samochodu: ${plate} Zdjęci${
 		photos.length === 1 ? "e" : "a"
 	} wykonane ${date_str} o godz. ${hour} w pobliżu ul. ${
 		location.address
@@ -178,5 +181,11 @@ export async function submit(
 		"--data",
 		`action=save&source=summary&instance=poznan_sm&x=${x}&y=${y}&lon=${x}&lat=${y}&srs=EPSG%3A2177&goto_thanks=`,
 	]);
-	console.log(response);
+	const matches = response.match(
+		/<li>Numer: <strong>([0-9]+)<\/strong><\/li>/
+	);
+	if (matches === null) {
+		throw new Error("Could not extract submission number");
+	}
+	return matches[1];
 }