Let's calculate 99235845 x 40008299
99235845 × 40008299 = 40008299 × (99235845)
+ 40008299 × 5 that is equal 200041495
+ 40008299 × 40 producing 1600331960
+ 40008299 × 800 giving us 32006639200
+ 40008299 × 5000 that is equal 200041495000
+ 40008299 × 30000 yielding 1200248970000
+ 40008299 × 200000 yielding 8001659800000
+ 40008299 × 9000000 giving us 360074691000000
+ 40008299 × 90000000 resulting in 3600746910000000

= 3970257358277655
