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(1461+342*(1.25+(0.287*factorial (60000)*(log (60000)-(log ((7-1))/log (10)+33841/58628+1/2*(7-1)-1/12*((7-1)**2))))/(factorial ((60000-7))*(60000**7))))-(1461+342*(1.25+(0.287*factorial (6000)*(log (6000)-(log ((7-1))/log (10)+33841/58628+1/2*(7-1)-1/12*((7-1)**2))))/(factorial ((6000-7))*(6000**7))))
525.440891697378/log(10)
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