URGENT! Please help me understand how the expert got the outstanding shares for each stock in their answer. This was my question:

Calculate the market capitalization of the five stocks listed (use close price): JP Morgan Chase (JPM), McDonald's (MCD). Pfizer Inc. (PFE), Moderna (MRNA) and Tesla Inc.(TSLA) for the first and last day of February, 2021. Please show your work and how you got your information.

Part of the answer I received was this:

JP Morgan Chase

Outstanding Shares = 3,027,000,000

McDonald's (MCD)

Outstanding Shares = 752,000,000

Pfizer Inc. (PFE)

Outstanding Shares = 5,708,000,000

Please provide detailed explanation how you find the outstanding shares on Yahoo Finance for these stocks and screenshots if possible to show where the outstanding shares is located on Yahoo Finance. Please inform me if you get the same answer as this expert.