Nalani had two female dogs that were expecting and after a month gave birth to 10 puppies each. She then sold 3/4 of the puppies after they came of age, each at $200. Calculate the total amount of money she received from the sale of the puppies.
If the two expectant dogs gave birth to 10 puppies each, the total number of puppies Nalani had is 10+10= 
<gadget id="calculator">10+10</gadget>
<output>20</output>
20.
When they came of age, Nalani sold 3/4 of the dogs, a total of 3/4*20 = 
<gadget id="calculator">3/4*20</gadget>
<output>15</output>
15 dogs.
If each dog sold for $200, Nalani received 15*200 = $
<gadget id="calculator">15*200</gadget>
<output>3_000</output>
3000 from the sale of the dogs.

<result>3_000</result>