If you buy a dozen of doughnuts, it costs $8; but if you buy 2 dozens, it costs $14. How much will you save from buying 3 sets of 2 dozens than buying 6 sets of 1 dozen?
Six sets of 1 dozen of doughnuts cost $8 x 6 = $
<gadget id="calculator">6*8</gadget>
<output>48</output>
48.
Three sets of 2 dozens of doughnuts cost $14 x 3 = $42.
Therefore, you can save $48 - $42 = $
<gadget id="calculator">48-42</gadget>
<output>6</output>
6.

<result>6</result>