Alright, let's work through 21704378 times 74935145 step by step
21704378 × 74935145 = 74935145 × (21704378)
+ 74935145 × 8 that equals 599481160
+ 74935145 × 70 which equals 5245460150
+ 74935145 × 300 that is equal 22480543500
+ 74935145 × 4000 that results in 299740580000
+ 74935145 × 00000 what gives us 0
+ 74935145 × 700000 resulting in 52454601500000
+ 74935145 × 1000000 what gives us 74935145000000
+ 74935145 × 20000000 yielding 1498702900000000

= 1626420712564810
