counting items in a schedule

[Ahmed_K]

Hi mates i'm modelling kind of exhibition stands, using wood manels, i schedueled them using schedueles, and it was so powerfull as always
but there is a problem, i want my schedule to be like shown in the attachement,
using theese addition symbols in the criteria field doesn't help, it gives me that result which i don't want
some propreties formula or something else to achieve this ??
can someone help me please