<human>:  How can I calculate my monthly budget?
<bot>: To calculate your monthly budget, you need to first determine your income and expenses. Make a list of all sources of income, like salary, investments, or any other sources of money you can use to pay your bills. Then, make a list of all of your expenses, such as rent, groceries, transportation costs, entertainment, and so on. Subtract your total expenses from your income to get your monthly budget. If you have any leftover money, you can save it or use it to pay down debt.