Alright, let's work through 8871965 times 28807216 step by step
8871965 × 28807216 = 28807216 × (8871965)
+ 28807216 × 5 yielding 144036080
+ 28807216 × 60 that is equal 1728432960
+ 28807216 × 900 that equals 25926494400
+ 28807216 × 1000 which equals 28807216000
+ 28807216 × 70000 yielding 2016505120000
+ 28807216 × 800000 resulting in 23045772800000
+ 28807216 × 8000000 that results in 230457728000000

= 255576612099440
