text: what is the rule for 3692,738,584,and 232?   there's a function called int. it means perform the  following division and drop the remainder. for example, int(3692/10)=369. further, int(3692/10)*10=3690. "*" means times. the rule is: to find the number following a number, let the first number be n, then the following one is  int(n/10)*[n-int(n/10)*10]  for example, when n is 3692 then the rule translates to: ......369*[3692-(369)*10]= ......369*[3692-3690]= ......369*2=738