Sure thing! Let's multiply 81699264 and 20549164 together
81699264 × 20549164 = 20549164 × (81699264)
+ 20549164 × 4 that equals 82196656
+ 20549164 × 60 what gives us 1232949840
+ 20549164 × 200 what gives us 4109832800
+ 20549164 × 9000 yielding 184942476000
+ 20549164 × 90000 that is equal 1849424760000
+ 20549164 × 600000 which equals 12329498400000
+ 20549164 × 1000000 that is equal 20549164000000
+ 20549164 × 80000000 yielding 1643933120000000

= 1678851574615296
