Alright, let's work through 87477860 times 97884889 step by step
87477860 × 97884889 = 97884889 × (87477860)
+ 97884889 × 0 that results in 0
+ 97884889 × 60 that equals 5873093340
+ 97884889 × 800 that equals 78307911200
+ 97884889 × 7000 producing 685194223000
+ 97884889 × 70000 that is equal 6851942230000
+ 97884889 × 400000 resulting in 39153955600000
+ 97884889 × 7000000 that equals 685194223000000
+ 97884889 × 80000000 producing 7830791120000000

= 8562760616057540
