To complete it:
Medium T1: 600 kg wood, 825 kg stone, 75 kg metal (100 kg is 10000 units)
Medium T2: 200 kg wood, 300 kg stone, 37,5 kg metal
Medium T3: 400 kg wood, 375 kg stone, 37,5 kg metal
Complete Medium House: 12 stacks wood, 15 stacks stone, 1.5 stacks metal. Gathering all that wood is...