When given this information below, how can we calculate free cash flow? (I am just looking for a formula I could use with these given elements since I do not know where to start!)

Gross Profit

Total Revenue

Business Revenue

Cost of Revenue

Cost of Goods and Services

Other Cost of Revenue

Operating Income/Expenses

Depreciation, Amortization and Depletion

Depreciation and Amortization

Selling, General and Administrative Expenses

Staff Costs

Pension and Other Employee Benefits Costs

Total Operating Profit/Loss

Non-Operating Income/Expenses, Total

Total Net Finance Income/Expense

Net Interest Income/Expense

Net Investment Income

Gain/Loss on Investments and Other Financial Instruments

Gain/Loss on Derivatives

Irregular Income/Expenses

Asset Disposals

Gain/Loss on Extinguishment of Debt

Merger and Acquisition Income/Expense

Other Irregular Income/Expenses

Other Income/Expense, Non-Operating

Pretax Income

Provision for Income Tax

Net Income from Continuing Operations

Net Income after Extraordinary Items and Discontinued Operations

Non-Controlling/Minority Interests

Net Income after Non-Controlling/Minority Interests

Net Income Available to Common Stockholders

Diluted Net Income Available to Common Stockholders

Reported Total Revenue

Reported Total Operating Profit/Loss

Reported Normalized EBITDA

Fiscal year ends in Dec 31 | USD