Alright, let's work through 99257585 times 67896473 step by step
99257585 × 67896473 = 67896473 × (99257585)
+ 67896473 × 5 that results in 339482365
+ 67896473 × 80 what gives us 5431717840
+ 67896473 × 500 producing 33948236500
+ 67896473 × 7000 which equals 475275311000
+ 67896473 × 50000 resulting in 3394823650000
+ 67896473 × 200000 that is equal 13579294600000
+ 67896473 × 9000000 producing 611068257000000
+ 67896473 × 90000000 giving us 6110682570000000

= 6739239939997705
