Given the task definition and input, reply with output. The task is to generate the correct answer for a given math problem.

Problem: a merchandise feedback online portal accords ' ratings ' to a product by recording the percentage of customers who have reported their views as either ' satisfied ' or ' unsatisfied ' only . the portal rounds off the exact percentage value calculated to the closest integral value . if the percentage of unsatisfied customers as recorded by the portal is 57 % , what is the least possible number of people that could have reported their views as ' satisfied ' ?
3