Defeat ended Palace's three-game winning run at Selhurst Park.
Pulis said: "It is just a case of trying to get as many points as you possibly can from every game and see if that takes you there.
"If we can get to 40 I will be doing somersaults.
"Forty always keeps you up or it has done for a long time and if you give me 40 now I will pack my bags and go on holiday."
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