Today, Royal Dutch Shell pays out this quarterly dividend.

https://www.londonstockexchange.com/exchange/news/market-news/market-news-detail/RDSA/14451966.html

£0.364 a share.

Now the share capital of Royal Dutch Shell is made up of Shell A and Shell B

Royal Dutch Shell plc’s capital as at 28 February 2020, consists of 4,117,374,078 A shares and 3,723,888,604 B shares, each with equal voting rights. Royal Dutch Shell plc holds no ordinary shares in Treasury.

https://www.londonstockexchange.com/exchange/news/market-news/market-news-detail/RDSA/14442753.html

Thus:

(4,117,374,078 A shares) x £0.364 a share + (3,723,888,604 B shares) x £0.364 a share = 7, 841,262,682 x £0.364 = £2,854,219,616.248

That is £2.854219616.248 Billion