Schedule K-1 Box 20 Entry STMT Number

Hello,
On the Schedule K-1 form, the box 20 has STMT (not number).
I go to the details of the K-1 form and see that there is a section 199A, Box 20, Code Z has the following:

DESCRIPTION                                                    AMOUNT
RENT     SOME PROJECT NAME                   

RENTAL INCOME                                              #####          (Small number)
W-2 WAGES                                                       #####          (Small number)
UNADJUSTED BASIS OF ASSETS                  #####          (large number)

RENT     SOME OTHER PROJECT NAME                   

RENTAL INCOME                                              #####          (Small number)
W-2 WAGES                                                       #####          (Small number)
UNADJUSTED BASIS OF ASSETS                  #####          (large number)

 

Should I put the number in the TT Box 20 code Z, the sum of the two UNADJUSTED BASIS OF ASSETS? 
Or, another number?

Thank you.