Alright, let's work through 99734840 times 62009810 step by step
99734840 × 62009810 = 62009810 × (99734840)
+ 62009810 × 0 that is equal 0
+ 62009810 × 40 that results in 2480392400
+ 62009810 × 800 resulting in 49607848000
+ 62009810 × 4000 what gives us 248039240000
+ 62009810 × 30000 giving us 1860294300000
+ 62009810 × 700000 what gives us 43406867000000
+ 62009810 × 9000000 that results in 558088290000000
+ 62009810 × 90000000 giving us 5580882900000000

= 6184538478780400
