Sum vertically until empty cell on Google Sheets

Question

This is the scenario. I need to get the sum of the values until it reaches a blank cell. After that it should start again calculating the sum after the blank cell. I need to add

Answer 1

I would just make a small adjustment to your formula:

IF(C2="",SUM(C3:INDEX(C3:C,MATCH(TRUE,(C3:C=""),0))),"")

so the first total is 11 instead of 9.