The ticket purchased showed 177.5 yuan, but the actual payment was 201.5 yuan. This may be due to the following reasons:

  1. Handling fee or service fee: The ticket purchasing platform or ticket sales point may charge a certain handling fee or service fee, which may be the reason for the increase in the payment amount.

  2. Taxes: Some tickets may include taxes, such as value-added tax, etc. These taxes and fees are added to the original price of the ticket, increasing the total amount.

  3. Other additional costs: There may be other unforeseen additional costs, such as insurance premiums, differences caused by coupon usage restrictions, etc.

  4. Exchange rate issues: If the ticket purchase involves cross-currency payment, there may be additional fees for exchange rate conversion.

  5. System Error: It is also possible that there is an error in the ticket purchase system, resulting in calculation errors and overcharges.

It is recommended that you contact the ticket purchasing platform or ticket sales point for consultation to understand the specific charging details so as to find out the reason why the actual payment amount is inconsistent with the displayed amount.