disp('To find: factorial of a 6')
facto2=2*1;
facto3=3*facto2
facto4=3*facto3
facto4=4*facto3
facto5=5*facto4
facto6=6*facto5

k=8*7*factorial(6)/factorial(6);
disp(k,'value of 8!/6! is:')
j=12*11*10*factorial(9)/factorial(9);
disp(j,'value of 12!/9! is:')