You press the button confidently!  Instantly you feel the wall start to rumble.  A panel slides down from the wall, revealing 5 clocks.  you really hope the trapper has not rigged up something else.   It might just be another puzzle.  Better take a closer look.  

This must mean something,  but how does it all add up?  What is it for?  Time to get out of here!  Where should I go now? Before you leave the room, you see a 3 painted on the wall.