from scipy.special import comb from fractions import Fraction total_one=comb(15,1) total_two=comb(14,1) total_three=comb(13,1) num_one=comb(5,1)*comb(3,1) num_two=comb(5,1)*comb(2,1) num_three=comb(5,1)*comb(1,1) res=Fraction(int(num_one),int(total_one))*Fraction(int(num_two),int(total_two))*Fraction(int(num_three),int(total_three)) print(res) if __name__ == '__main__': pass