Mathematics calculations

Guys I did mathematics calculatetion and it didn’t work and it looks like this p*(T/k)-g/ar p=1.01325105. k=288.15. g=9.807. a=-0.0065 r=287 T=226.4 answer must be 28515.64 but it keeps give me a wrong answer

p = 1.01325*10**5
k = 288.15
g = 9.807
a = -0.0065
r = 287
T = 226.4
print(p*(T/k)**(-g/(a*r)))
# gives 28515.64
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Ty so much I really had a big trouble