Girls, we're ordering diapers for a month, 2 packs of 2-5 kg each. We …

Girls, we're ordering diapers for a month, 2 packs of 2-5 kg each. We order them in packs of 100 pieces, 2-3 packs at once. I gave birth on 2850 for a month, and it became 4100. Now I think maybe we should buy more diapers?