Call to a member function get() on float (php laravel 5.8) [closed]

 $order_price = DB::table('orders')->where('orders.id', $request->id)->value('order_price')->join('wallet','orders.client_id','=','wallet.user_id')
            ->orderBy('orders.created_at','DESC')
            ->where('orders.order_id',$request->id)->get();