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(0.28*0.25*3600+3*8.76+1.24*3)/0.

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(0.28*0.25*3600+3*8.76+1.24*3)/0.
(0.28*0.25*3600+3*8.76+1.24*3)/0.
(0.28*0.25*3600+3*8.76+1.24*3)/0.25
=(0.28*0.25*3600+3*(8.76+1.24))/0.25
=0.28*3600+3*10/0.25
=1008+120
=1128