 
<translate> Daleyza meriri n'ọrụ iwu ụlọ nke gụnyere iwu ụlọ atọ nwere ọtụtụ ụlọ. E wuru ụlọ nke mbụ ka o nwee ụlọ 4000, ụlọ nke abụọ okpukpu 2/5 karịa ụlọ nke mbụ, ụlọ nke atọ ga-enwekwa 20% karịa ụlọ nke abụọ. Mmadụ ole ka a gwara Daleyza ka o wuo? Echiche ndị dị aṅaa? Ntụziaka nzọụkwụ site na nzọụkwụ: <eng> Daleyza won a house construction project that involved the construction of three houses with several units. The first building was designed to have 4000 units, the second building 2/5 times as many units as the first building, and the third building was to have 20% more units than the second building. How many units were Daleyza contracted to build?
Thoughts? Step-by-step reasoning: 