Valerie’s cookie recipe makes 16 dozen cookies and calls for 4 pounds of butter.  She only wants to make 4 dozen cookies for the weekend.  How many pounds of butter will she need?
Her original recipe makes 16 dozen and she only needs 4 dozen so she needs to reduce the recipe by 16/4 = 
<gadget id="calculator">16/4</gadget>
<output>4</output>
4.
For 4 dozen cookies, she needs to reduce her recipe by 4 and the original called for 4 pounds of butter so she now needs 4/4 = 1 pound of butter.

<result>1</result>