A large puzzle costs $15. A small puzzle and a large puzzle together cost $23. How much would you pay for 1 large and 3 small puzzles?
A small puzzle costs $23 - $15 = $
<gadget id="calculator">23-15</gadget>
<output>8</output>
8.
Three small puzzles cost $8 x 3 = $
<gadget id="calculator">8*3</gadget>
<output>24</output>
24.
So, 1 large and 3 small puzzles cost $24 + $15 = $
<gadget id="calculator">24+15</gadget>
<output>39</output>
39.

<result>39</result>