How to equal amount from calculated widget to payment integration?

I integrated Auth.net payment form and need the total calculated value of tickets to be equal to the total amount on the Credit card payment form. How do I set it. 

please help

You can pass the calculation value to the payment field by setting up a User Defined Amount. Please check this guide to know more:

https://www.jotform.com/help/275-How-to-pass-a-calculation-to-a-payment-field