Alright, let's work through 20851420 times 3738700 step by step
20851420 × 3738700 = 3738700 × (20851420)
+ 3738700 × 0 that is equal 0
+ 3738700 × 20 that equals 74774000
+ 3738700 × 400 that is equal 1495480000
+ 3738700 × 1000 that equals 3738700000
+ 3738700 × 50000 resulting in 186935000000
+ 3738700 × 800000 that equals 2990960000000
+ 3738700 × 0000000 resulting in 0
+ 3738700 × 20000000 that is equal 74774000000000

= 77957203954000
