Want to use vba, after subtotal summation of rows of data, such as a piece of data with 5 subtotal line, another piece of data line has four small gauge, subtotal line number is variable, respectively on two data lines subtotal generated total, total line inside the sum formula of subtotal do sum operation, such as sum (subtotal line a, subtotal line b, subtotal line c, subtotal line d), sum (a, b, c, d, e)