Foreign tax credit schedule 1 question

Box 8D shows the foreign income I made. Box 8Z shows the foreign unemployment insurance I received. Number 9 says to add line 8A-8Z. So why did TurboTax subtract the numbers? Please help I’m so confused

Box 8D shows the foreign income I made. Box 8Z shows the foreign unemployment insurance I received. Number 9 says to add line 8A-8Z. So why did TurboTax subtract the numbers? Please help I’m so confused
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