Alright, let's work through 87039908 times 72368666 step by step
87039908 × 72368666 = 72368666 × (87039908)
+ 72368666 × 8 producing 578949328
+ 72368666 × 00 that is equal 0
+ 72368666 × 900 giving us 65131799400
+ 72368666 × 9000 which equals 651317994000
+ 72368666 × 30000 which equals 2171059980000
+ 72368666 × 000000 which equals 0
+ 72368666 × 7000000 that results in 506580662000000
+ 72368666 × 80000000 that is equal 5789493280000000

= 6298962030722728
