Alright, let's work through 87977486 times 69801743 step by step
87977486 × 69801743 = 69801743 × (87977486)
+ 69801743 × 6 that equals 418810458
+ 69801743 × 80 that results in 5584139440
+ 69801743 × 400 resulting in 27920697200
+ 69801743 × 7000 that equals 488612201000
+ 69801743 × 70000 yielding 4886122010000
+ 69801743 × 900000 giving us 62821568700000
+ 69801743 × 7000000 resulting in 488612201000000
+ 69801743 × 80000000 giving us 5584139440000000

= 6140981867558098
