Alright, let's work through 68064292 times 17421002 step by step
68064292 × 17421002 = 17421002 × (68064292)
+ 17421002 × 2 resulting in 34842004
+ 17421002 × 90 resulting in 1567890180
+ 17421002 × 200 which equals 3484200400
+ 17421002 × 4000 producing 69684008000
+ 17421002 × 60000 resulting in 1045260120000
+ 17421002 × 000000 giving us 0
+ 17421002 × 8000000 that results in 139368016000000
+ 17421002 × 60000000 producing 1045260120000000

= 1185748167060584
