Sandra's dog gave birth to 7 puppies. Her vet gave her 105 portions of formula to give to the puppies for 5 days. How many times a day should Sandra feed the puppies?
Each day, Sandra will have 105/5 = 
<gadget id="calculator">105/5</gadget>
<output>21</output>
21 portions of formula.
Each puppy needs to be fed 21/7 = 
<gadget id="calculator">21/7</gadget>
<output>3</output>
3 times a day.

<result>3</result>