A 25 story building has 4 apartments on each floor. If each apartment houses two people, how many people does the building house? Let's think step by step and output the final answer after "####".
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If each building floor has 4 apartments, we have 25 floors * 4 apartments/floor = <<25*4=100>>100 apartments.
If each apartment has 2 people, 100 apartments * 2 people/apartment = <<100*2=200>>200 people.
#### 200
A 25 story building has 4 apartments on each floor. If each apartment houses two people, how many people does the building house?
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