How to pass a calculated amount to payment field?

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i added square for payment but the total amount is not right it shown 0 which it should show same as total above 

This is because you've set up your payment integration to sell products, if you need to get the calculated/custom amount then you need to change the payment type, here's a guide where you will find more details about how to calculate an amount and pass it to a payment field: https://www.jotform.com/help/275-How-to-Pass-a-Calculation-to-a-Payment-Field 

If you have any question, let us know.