SAP CAPACITY FORMULA

I have Assigned formula SAP006 in work center, capacity screen, =Machine*Operation Qty/Base Qty
Total Capacity 480 min /day
Base Qty-1
4 min needed to produce 1 component
individual capacity-2
Operation Qty-550

capacity=4*550/1=2200 min
System is calculating it right, but for one individual capacity.
here i have 2 lines so time needed must be 1100 min, i also try another formula,
SAP002=Machine*Operation Qty/Base Qty/individual capacity.
but result is same 2200 min
Plz guide me, how can i get desired result or what is going on is right .

Machine means time.

You have to assign SAP006 in capacity tap processing formula. Then in scheduling tab SAP002.
Then in routing under operation details active the indicator for splitting required. and number of split as 2. then check your result.