A worked example can sound much easier than your own situation if it quietly begins with money already available. When reading a savings illustration, identify the starting balance before comparing the monthly contribution. Otherwise, you may be comparing different tasks.
Rebuild a small example
Suppose an illustrative goal is 600 units and 240 units are already set aside. The remaining amount is 360. Spread evenly over six saving periods, that is 60 units per period, assuming no interest, fees, withdrawals, or price changes.
Without the starting balance, the same six-period arithmetic would require 100 units per period. Neither figure says what someone can afford. They simply describe two different starting conditions.
Keep arithmetic and feasibility apart
The CFPB savings-plan tool uses a goal amount and available time to frame a saving target. A calculated target still needs to be considered alongside actual resources and obligations.
In your reading notes, record the goal, amount already available, number of periods, and excluded factors. If any input is missing, say so. This makes a persuasive example easier to evaluate without turning its neat arithmetic into a promise about what a particular reader should be able to achieve.

