Literal question
S3_Q12==0 ? 0 :
(AREA_HARVESTED==-999 ? AREA_PLANTEDHA :
(S3_Q09_unit==1 ? AREA_HARVESTED :
(S3_Q09_unit==2 ? AREA_HARVESTED/100 : AREA_HARVESTED/10000)))
AREA_HARVESTED: (S3_Q13a ?? 0) + (S3_Q13b ?? 0)
S3_Q13b. Of the %AVG% %AREA_PLANTED% %S3_Q09_unit% of %rostertitle% planted, what was the average area harvested across the %S3_Q12% harvests?
S3_Q13a. Of the%AVG% %AREA_PLANTED% %S3_Q09_unit% of %rostertitle% planted, what was the harvested area?